{"id":75531,"date":"2024-09-03T04:25:44","date_gmt":"2024-09-03T00:55:44","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/"},"modified":"2024-09-03T04:25:44","modified_gmt":"2024-09-03T00:55:44","slug":"development-principles-3l2p","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/","title":{"rendered":"\u0627\u0635\u0648\u0644 \u062a\u0648\u0633\u0639\u0647 &#8211; \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang<br \/>\n            \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0633\u0641\u0631\u06cc \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u0645\u0633\u062a\u0645\u0631 \u0627\u0633\u062a. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645\u060c \u0628\u0627 \u0631\u0648\u0634 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&#8221; is small&#8221;<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647:<\/p>\n<p>\u062a\u0648\u0631\u0641\u062a\u06af\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0648\u0636\u0648\u062d \u0633\u0627\u062e\u062a\u0627\u0631 \u06a9\u062f \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<br \/>\n\u0646\u0627\u0645 \u062a\u0627\u0628\u0639 \u0627\u0632 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc Go \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f.<br \/>\n\u0631\u0627 else \u0628\u0646\u062f \u062d\u0630\u0641 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0645\u0646\u0637\u0642 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u0642\u0637 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0632\u06cc\u0628\u0627\u06cc\u06cc \u0634\u0646\u0627\u0633\u06cc \u0646\u06cc\u0633\u062a. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0648 \u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u06a9\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u0646\u062f. \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u062a\u06cc\u0645\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062f\u0627\u0648\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627 \u062f\u0631\u06a9 \u0648 \u06a9\u0627\u0631 \u0628\u0627 \u06a9\u062f \u067e\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u062d\u062a\u06cc \u0627\u06af\u0631 \u062a\u06cc\u0645 \u0634\u0645\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u062b\u0627\u0628\u062a\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u06a9\u0646\u0648\u0627\u0646\u0633\u06cc\u0648\u0646 \u0647\u0627\u06cc \u067e\u0630\u06cc\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u062f\u0631 \u062c\u0627\u0645\u0639\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u067e\u06cc\u0634\u0642\u062f\u0645 \u0634\u0648\u06cc\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0628\u0647 \u06a9\u062f \u062e\u0648\u0627\u0646\u0627 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u0634\u0645\u0627 \u0645\u0646\u062c\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>  2. \u0627\u0632 \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u062f \u0628\u0647\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f. \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0646\u0647 \u062a\u0646\u0647\u0627 \u062f\u0631 \u0645\u0639\u0645\u0627\u0631\u06cc \u06a9\u062f\u060c \u0628\u0644\u06a9\u0647 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0648 \u062d\u062a\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u062c\u0646\u0628\u0647 \u0647\u0627\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0646\u06cc\u0632 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0631\u062f.\u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0648 \u0628\u0631\u062e\u06cc \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062e\u0627\u0635 \u0645\u0631\u062a\u0628\u0637 \u062a\u0631\u0646\u062f. \u0628\u0631\u062e\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0627\u0646\u0646\u062f KISS (\u0633\u0627\u062f\u0647\u060c \u0627\u062d\u0645\u0642\u0627\u0646\u0647 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f) \u06cc\u0627 YAGNI (\u0634\u0645\u0627 \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u062f) \u0639\u0645\u0648\u0645\u06cc \u062a\u0631 \u0647\u0633\u062a\u0646\u062f.\u062f\u0631 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u06a9\u0644\u06cc\u060c \u0627\u0635\u0648\u0644 SOLID \u0627\u0632 \u062a\u0627\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0647\u0633\u062a\u0646\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u0627\u0635\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0645\u0631\u06a9\u0632 \u0628\u0631 \u0686\u06af\u0648\u0646\u06af\u06cc \u0628\u0647\u0628\u0648\u062f \u06a9\u062f \u0634\u0645\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>  \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0644 \u0634\u0645\u0627 \u0631\u0627 \u062a\u0634\u0648\u06cc\u0642 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u062c\u0632\u0627 (\u062a\u0648\u0627\u0628\u0639\u060c \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627) \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0647\u062f\u0641 \u0648\u0627\u062d\u062f \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0637\u0631\u0627\u062d\u06cc \u06a9\u0646\u06cc\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u062c\u0632\u0621 \u062f\u0627\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0628\u0627\u0634\u062f\u060c \u062f\u0631\u06a9\u060c \u0622\u0632\u0645\u0627\u06cc\u0634 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 refactoring \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 SRP \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>\/\/ Before: A function doing too much<br \/>\nfunc processOrder(order Order) error {<br \/>\n    \/\/ Validate order<br \/>\n    if order.Total  0 {<br \/>\n        return errors.New(&#8220;invalid order total&#8221;)<br \/>\n    }<br \/>\n    \/\/ Save to database<br \/>\n    db.Save(order)<br \/>\n    \/\/ Send confirmation email<br \/>\n    sendEmail(order.CustomerEmail, &#8220;Order Confirmation&#8221;, orderDetails(order))<br \/>\n    \/\/ Update inventory<br \/>\n    for _, item := range order.Items {<br \/>\n        updateInventory(item.ID, item.Quantity)<br \/>\n    }<br \/>\n    return nil<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0627\u0631 \u063a\u06cc\u0631\u0645\u0631\u062a\u0628\u0637 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f: \u062a\u0623\u06cc\u06cc\u062f \u0633\u0641\u0627\u0631\u0634\u060c \u0630\u062e\u06cc\u0631\u0647 \u0622\u0646 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0631\u0633\u0627\u0644 \u0627\u06cc\u0645\u06cc\u0644\u060c \u0648 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062a\u0648\u0627\u0628\u0639 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u0646\u062f:<\/p>\n<p>\/\/ After: Breaking it down into single responsibilities<br \/>\nfunc processOrder(order Order) error {<br \/>\n    if err := validateOrder(order); err != nil {<br \/>\n        return err<br \/>\n    }<br \/>\n    if err := saveOrder(order); err != nil {<br \/>\n        return err<br \/>\n    }<br \/>\n    if err := sendOrderConfirmation(order); err != nil {<br \/>\n        return err<br \/>\n    }<br \/>\n    return updateInventoryForOrder(order)<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<p>func validateOrder(order Order) error {<br \/>\n    if order.Total  0 {<br \/>\n        return errors.New(&#8220;invalid order total&#8221;)<br \/>\n    }<br \/>\n    return nil<br \/>\n}<\/p>\n<p>func saveOrder(order Order) error {<br \/>\n    return db.Save(order)<br \/>\n}<\/p>\n<p>func sendOrderConfirmation(order Order) error {<br \/>\n    return sendEmail(order.CustomerEmail, &#8220;Order Confirmation&#8221;, orderDetails(order))<br \/>\n}<\/p>\n<p>func updateInventoryForOrder(order Order) error {<br \/>\n    for _, item := range order.Items {<br \/>\n        if err := updateInventory(item.ID, item.Quantity); err != nil {<br \/>\n            return err<br \/>\n        }<br \/>\n    }<br \/>\n    return nil<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0634\u062f\u0647:<\/p>\n<p>\u0647\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0648 \u0631\u0648\u0634\u0646 \u062f\u0627\u0631\u062f.<br \/>\n\u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631\u062a\u0631 \u0627\u0633\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a.<br \/>\n\u0627\u062c\u0632\u0627\u06cc \u0645\u0646\u0641\u0631\u062f \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0645\u062c\u062f\u062f\u0627\u064b \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f \u06cc\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0631 \u062f\u06cc\u06af\u0631\u0627\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u06af\u0630\u0627\u0631\u062f.<\/p>\n<p>\u0628\u0647 \u0645\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0646\u06cc\u062f\u060c \u0622\u06cc\u0646\u062f\u0647 \u0634\u0645\u0627 \u0627\u0632 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0633\u0637\u062d \u0627\u0632 \u0633\u0627\u0632\u0645\u0627\u0646 \u062a\u0634\u06a9\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<\/p>\n<p>\u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0628\u0627\u0632 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0646\u0647\u0627\u062f\u0647\u0627\u06cc \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u0646\u062f \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u06cc\u062f\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<\/p>\n<p>LSP \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0627\u0634\u06cc\u0627\u0621 \u06cc\u06a9 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0622\u0646 \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u0631 \u0635\u062d\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0627\u0628\u0644 \u062a\u0639\u0648\u06cc\u0636 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628 \u0648\u0631\u0627\u062b\u062a \u0628\u0647 \u062e\u0648\u0628\u06cc \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0633\u062a.<\/p>\n<p>  \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<\/p>\n<p>ISP \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0647\u06cc\u0686 \u06a9\u062f\u06cc \u0646\u0628\u0627\u06cc\u062f \u0645\u062c\u0628\u0648\u0631 \u0634\u0648\u062f \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc \u06a9\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f. \u062f\u0631 \u0639\u0645\u0644\u060c \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 ISP \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>\/\/ Before: A large interface that many structs only partially implement<br \/>\ntype Worker interface {<br \/>\n    DoWork()<br \/>\n    TakeBreak()<br \/>\n    GetPaid()<br \/>\n    FileTicket()<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0628\u0632\u0631\u06af\u060c \u067e\u06cc\u0627\u062f\u0647\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0645\u062c\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0622\u0646\u200c\u0647\u0627 \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u0646\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>\/\/ After: Smaller, more focused interfaces<br \/>\ntype Worker interface {<br \/>\n    DoWork()<br \/>\n}<\/p>\n<p>type BreakTaker interface {<br \/>\n    TakeBreak()<br \/>\n}<\/p>\n<p>type Payable interface {<br \/>\n    GetPaid()<br \/>\n}<\/p>\n<p>type TicketFiler interface {<br \/>\n    FileTicket()<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f:<\/p>\n<p>type Developer struct{}<\/p>\n<p>func (d Developer) DoWork() {<br \/>\n    fmt.Println(&#8220;Writing code&#8221;)<br \/>\n}<\/p>\n<p>func (d Developer) TakeBreak() {<br \/>\n    fmt.Println(&#8220;Browsing Reddit&#8221;)<br \/>\n}<\/p>\n<p>func (d Developer) FileTicket() {<br \/>\n    fmt.Println(&#8220;Creating a Jira ticket&#8221;)<br \/>\n}<\/p>\n<p>type Contractor struct{}<\/p>\n<p>func (c Contractor) DoWork() {<br \/>\n    fmt.Println(&#8220;Completing assigned task&#8221;)<br \/>\n}<\/p>\n<p>func (c Contractor) GetPaid() {<br \/>\n    fmt.Println(&#8220;Invoicing for work done&#8221;)<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 Go\u060c \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0636\u0645\u0646\u06cc \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<\/p>\n<p>DIP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0639\u06cc\u0646\u06cc \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0627 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u06cc\u0627 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc\u060c \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062c\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627 \u0627\u062c\u0627\u0632\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u06af\u06cc\u060c \u062a\u0633\u062a \u0622\u0633\u0627\u0646 \u062a\u0631 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID (\u0628\u0628\u06cc\u0646\u06cc\u062f \u0645\u0646 \u062f\u0631 \u0622\u0646\u062c\u0627 \u0686\u0647 \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0645\u061f) \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u062f\u0647\u0627\u06cc \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0648 \u062c\u062f\u0627 \u0634\u062f\u0647 \u0627\u06cc \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u060c \u0645\u0642\u06cc\u0627\u0633\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a. \u062f\u0631\u06cc\u0627\u0641\u062a\u0647\u200c\u0627\u0645 \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644\u060c \u0627\u06af\u0631\u0686\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u062f\u0627\u0648\u0645 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u06a9\u062f \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631\u06cc \u0645\u0646\u062c\u0631 \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0633\u062a\u0646\u062f\u060c \u0646\u0647 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0633\u062e\u062a. \u0647\u0645\u06cc\u0634\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0642\u0648\u0627\u0646\u06cc\u0646 \u0648\u062c\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a\u060c \u0627\u0645\u0627 \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u0633\u062a\u0645\u0631 \u0627\u0633\u062a \u0648 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\u0633\u0627\u0632\u06cc\u060c \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 Factory Method \u062f\u0631 Go \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>type PaymentMethod interface {<br \/>\n    Pay(amount float64) string<br \/>\n}<\/p>\n<p>type CashPayment struct{}<\/p>\n<p>func (c CashPayment) Pay(amount float64) string {<br \/>\n    return fmt.Sprintf(&#8220;Paid %.2f using cash&#8221;, amount)<br \/>\n}<\/p>\n<p>type CreditCardPayment struct{}<\/p>\n<p>func (cc CreditCardPayment) Pay(amount float64) string {<br \/>\n    return fmt.Sprintf(&#8220;Paid %.2f using credit card&#8221;, amount)<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f 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\/>\n    default:<br \/>\n        return nil, fmt.Errorf(&#8220;Payment method %s not supported&#8221;, method)<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0645\u0646\u0627\u0633\u0628 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0634\u062a\u0647 \u0648\u0631\u0648\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>method, err := GetPaymentMethod(&#8220;cash&#8221;)<br \/>\nif err != nil {<br \/>\n    fmt.Println(err)<br \/>\n    return<br \/>\n}<br \/>\nfmt.Println(method.Pay(42.42))<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0627\u0645\u06a9\u0627\u0646 \u06af\u0633\u062a\u0631\u0634 \u0622\u0633\u0627\u0646 \u0631\u0648\u0634 \u0647\u0627\u06cc \u067e\u0631\u062f\u0627\u062e\u062a \u0631\u0627 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc<\/p>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc 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\u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0648 \u0628\u0631\u062e\u06cc \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062e\u0627\u0635 \u0645\u0631\u062a\u0628\u0637 \u062a\u0631 \u0647\u0633\u062a\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0634\u062f\u062a \u0627\u0632 \u0627\u0644\u06af\u0648\u06cc Object Pool \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u062a\u0648\u0633\u0639\u0647 \u0648\u0628 \u06a9\u0645\u062a\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a.<\/p>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0628\u0647 \u062d\u0644 \u0645\u0634\u06a9\u0644\u0627\u062a \u062a\u06a9\u0631\u0627\u0631\u06cc \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u062c\u0647\u0627\u0646\u06cc \u062f\u0631 \u0628\u06cc\u0646 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0647\u0645\u0647 \u0627\u0644\u06af\u0648\u0647\u0627 \u0628\u0647 \u06cc\u06a9\u0628\u0627\u0631\u0647 \u0627\u062d\u0633\u0627\u0633 \u0641\u0634\u0627\u0631 \u0646\u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0639\u0648\u0636\u060c \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0622\u0634\u0646\u0627 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0647\u0646\u06af\u0627\u0645 \u0645\u0648\u0627\u062c\u0647\u0647 \u0628\u0627 \u06cc\u06a9 \u0645\u0634\u06a9\u0644 \u062c\u062f\u06cc\u062f\u060c \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0631\u0627\u0647 \u062d\u0644\u06cc \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u060c \u0645\u0631\u0648\u0631 \u06a9\u0646\u06cc\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u0634\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0637\u0628\u06cc\u0639\u06cc \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0637\u0631\u0627\u062d\u06cc \u062e\u0648\u062f \u0648\u0627\u0631\u062f \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f.<\/p>\n<p>  4. \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u062e\u0648\u0628 \u0631\u0627 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0642\u0648\u0627\u0646\u06cc\u0646 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0648\u0627\u0636\u062d \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0627\u0631\u062a\u0628\u0627\u0637 \u0646\u0632\u062f\u06cc\u06a9\u06cc \u0628\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0627\u0631\u062f \u0648 \u0634\u0627\u06cc\u0633\u062a\u0647 \u062a\u0648\u062c\u0647 \u0648\u06cc\u0698\u0647 \u0627\u0633\u062a.<\/p>\n<p>  \u0627\u0632 \u0646\u0627\u0645 \u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0646\u0627\u0645 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0648\u0636\u0648\u062d \u0647\u062f\u0641 \u0645\u062a\u063a\u06cc\u0631\u060c \u062a\u0627\u0628\u0639 \u06cc\u0627 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u062a\u0648\u0635\u06cc\u0641 \u06a9\u0646\u0646\u062f. \u0627\u0632 \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u06cc\u0627 \u0627\u062e\u062a\u0635\u0627\u0631\u0627\u062a \u0645\u0631\u0645\u0648\u0632 \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0627 \u0646\u0627\u0645 \u0636\u0639\u06cc\u0641 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<p>\/\/ Bad<br \/>\nfunc calc(a, b int) int {<br \/>\n    return a + b<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062d\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0646\u0627\u0645 \u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u062a\u0631 \u0628\u0647\u0628\u0648\u062f \u062f\u0647\u06cc\u0645:<\/p>\n<p>\/\/ Good<br \/>\nfunc calculateSum(firstNumber, secondNumber int) int {<br \/>\n    return firstNumber + secondNumber<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0628\u0627 \u0646\u0627\u0645 \u0647\u0627\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0637\u0648\u0644\u0627\u0646\u06cc \u0627\u0641\u0631\u0627\u0637 \u0646\u06a9\u0646\u06cc\u062f:<\/p>\n<p>\/\/ Too verbose<br \/>\nfunc calculateSumOfTwoIntegersAndReturnTheResult(firstInteger, secondInteger int) int {<br \/>\n    return firstInteger + secondInteger<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u062a\u0639\u0627\u062f\u0644 \u0648\u0636\u0648\u062d \u0648 \u0645\u062e\u062a\u0635\u0631<\/p>\n<p>\u0646\u0627\u0645 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0647\u062f\u0641 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f \u06a9\u0647 \u0648\u0627\u0636\u062d \u0628\u0627\u0634\u0646\u062f \u0627\u0645\u0627 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u067e\u0631\u0645\u062e\u0627\u0637\u0628 \u0646\u0628\u0627\u0634\u0646\u062f. \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u0628 \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u060c \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0645\u0633\u062a\u0646\u062f\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n<p>  \u0646\u0627\u0645 \u0647\u0627\u06cc \u062e\u0648\u0628 \u0631\u0627 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u062a\u0631\u062c\u06cc\u062d \u062f\u0647\u06cc\u062f<\/p>\n<p>\u0627\u063a\u0644\u0628\u060c \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u062f\u0631 \u06a9\u062f \u0634\u0645\u0627 \u0646\u0627\u0634\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0627\u06af\u0631 \u0645\u06cc\u200c\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0686\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u06cc\u06a9 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0627\u0645 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u06cc\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f \u062a\u0627 \u06a9\u062f \u062e\u0648\u062f \u062a\u0648\u0636\u06cc\u062d\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<p>  \u0645\u0642\u0627\u062f\u06cc\u0631 \u062c\u0627\u062f\u0648\u06cc\u06cc \u0631\u0627 \u0628\u0627 \u062b\u0627\u0628\u062a \u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062b\u0627\u0628\u062a\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647 \u0628\u0647\u200c\u062c\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647\u060c \u0645\u0639\u0646\u0627\u06cc \u0622\u0646\u0647\u0627 \u0631\u0627 \u0631\u0648\u0634\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u062f \u0634\u0645\u0627 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627\u0634\u062f.<\/p>\n<p>\/\/ Bad<br \/>\nif user.Age &gt;= 18 {<br \/>\n    \/\/ Allow access<br \/>\n}<\/p>\n<p>\/\/ Good<br \/>\nconst LegalAge = 18<br \/>\nif user.Age &gt;= LegalAge {<br \/>\n    \/\/ Allow access<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc\u060c \u06a9\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062e\u0648\u0627\u0646\u062f\u0646\u060c \u062f\u0631\u06a9 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<p>  5. \u0627\u0648\u0644\u0648\u06cc\u062a \u0628\u0646\u062f\u06cc \u062a\u0633\u062a<\/p>\n<p>\u0622\u0632\u0645\u0627\u06cc\u0634 \u06cc\u06a9 \u062a\u0645\u0631\u06cc\u0646 \u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642 \u0627\u0646\u062a\u0638\u0627\u0631 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0633\u062a. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0646\u0638\u0631\u0627\u062a \u062b\u0627\u0628\u062a \u0632\u06cc\u0627\u062f\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0631\u0648\u0634 \u0647\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0627\u0634\u06a9\u0627\u0644\u06cc \u0646\u062f\u0627\u0631\u062f \u06a9\u0647 \u0631\u0648\u06cc\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0648 \u062a\u06cc\u0645 \u0634\u0645\u0627 \u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p>  \u062a\u0633\u062a \u0648\u0627\u062d\u062f<\/p>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0628\u0631 \u0631\u0648\u06cc \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0641\u0631\u062f\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062c\u0632\u0627 \u062a\u0645\u0631\u06a9\u0632 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0627\u0632\u062e\u0648\u0631\u062f \u0633\u0631\u06cc\u0639\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u0628\u062e\u0634 \u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0627\u0632 \u06a9\u062f \u0634\u0645\u0627 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0632 \u062a\u0633\u062a \u0648\u0627\u062d\u062f \u062f\u0631 Go \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>func TestCalculateSum(t *testing.T) {<br \/>\n    result := calculateSum(3, 4)<br \/>\n    expected := 7<br \/>\n    if result != expected {<br \/>\n        t.Errorf(&#8220;calculateSum(3, 4) = %d; want %d&#8221;, result, expected)<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u062a\u0633\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0633\u0627\u0632\u06cc<\/p>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0633\u0627\u0632\u06cc \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0627 \u0647\u0645 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u062a\u0639\u0627\u0645\u0644 \u0628\u06cc\u0646 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u06a9\u062f \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p>  \u062a\u0633\u062a \u067e\u0627\u06cc\u0627\u0646 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627<\/p>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u0627\u0646\u062a\u0647\u0627 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627 \u062a\u0639\u0627\u0645\u0644\u0627\u062a \u06a9\u0627\u0631\u0628\u0631 \u0628\u0627 \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u06a9\u0644 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u062f\u06cc\u062f \u06a9\u0627\u0631\u0628\u0631 \u0645\u062d\u0648\u0631 \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u06a9\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0634\u062f\u0647 \u0627\u0646\u062f \u0646\u0647 \u062a\u0646\u0647\u0627 \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f\u062a\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0644\u06a9\u0647 \u0628\u0647 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\u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0648 \u0627\u062c\u0631\u0627 \u0648\u0642\u062a \u0628\u06af\u0630\u0627\u0631\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0639\u062c\u0644\u0647 \u062f\u0631 \u0627\u0646\u062c\u0627\u0645 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627 \u0648\u0633\u0648\u0633\u0647 \u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0636\u0631\u0628 \u0627\u0644\u0627\u062c\u0644 \u0647\u0627 \u0645\u062d\u062f\u0648\u062f \u0627\u0633\u062a\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0645\u062a\u0641\u06a9\u0631\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0644\u0646\u062f\u0645\u062f\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0639\u062c\u0644\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u062f\u0647\u06cc \u0641\u0646\u06cc \u0648 \u0686\u0627\u0644\u0634 \u0647\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062f\u0631 \u0622\u06cc\u0646\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u062f\u0642\u06cc\u0642 \u062a\u0635\u0645\u06cc\u0645\u0627\u062a \u0645\u0639\u0645\u0627\u0631\u06cc \u0648 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0631\u0648\u06cc\u06a9\u0631\u062f \u062e\u0648\u062f \u0648\u0642\u062a \u0628\u06af\u0630\u0627\u0631\u06cc\u062f. \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u067e\u0627\u06cc\u0647 \u0645\u062d\u06a9\u0645 \u062f\u0631 \u0645\u0631\u0627\u062d\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0628\u0627\u0639\u062b \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646 \u0648 \u062a\u0644\u0627\u0634 \u062f\u0631 \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u062f\u062a \u0645\u06cc \u0634\u0648\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0634\u06cc\u062f \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0646\u06a9\u0646\u06cc\u062f &#8211; \u062a\u0639\u0627\u062f\u0644\u06cc \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u0634\u0645\u0627 \u06a9\u0627\u0631 \u06a9\u0646\u062f.<\/p>\n<p>\u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0633\u0637\u0648\u062d \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u06cc\u06a9 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class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#1_%D8%A7%D8%B3%D8%AA%D8%A7%D9%86%D8%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_%D9%86%D9%88%DB%8C%D8%B3%DB%8C_%D8%B1%D8%A7_%D8%A8%D9%BE%D8%B0%DB%8C%D8%B1%DB%8C%D8%AF\" >1. \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0631\u0627 \u0628\u067e\u0630\u06cc\u0631\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#2_%D8%A7%D8%B2_%D8%A7%D8%B5%D9%88%D9%84_%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\" >2. \u0627\u0632 \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0646\u06cc\u062f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B5%D9%84_%D9%85%D8%B3%D8%A6%D9%88%D9%84%DB%8C%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF_SRP\" >\u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87_OCP\" >\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B5%D9%84_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86%DB%8C_%D9%84%DB%8C%D8%B3%DA%A9%D9%88%D9%81_LSP\" >\u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B5%D9%84_%D8%AC%D8%AF%D8%A7%D8%B3%D8%A7%D8%B2%DB%8C_%D8%B1%D8%A7%D8%A8%D8%B7_ISP\" >\u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B5%D9%84_%D9%88%D8%A7%D8%B1%D9%88%D9%86%DA%AF%DB%8C_%D9%88%D8%A7%D8%A8%D8%B3%D8%AA%DA%AF%DB%8C_DIP\" >\u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#3_%D8%A7%D8%B2_%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >3. \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%AE%D9%84%D8%A7%D9%82%DB%8C%D8%AA\" >\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u062e\u0644\u0627\u0642\u06cc\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B3%D8%A7%D8%AE%D8%AA%D8%A7%D8%B1%DB%8C\" >\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B1%D9%81%D8%AA%D8%A7%D8%B1%DB%8C\" >\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0641\u062a\u0627\u0631\u06cc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#4_%D9%82%D8%B1%D8%A7%D8%B1%D8%AF%D8%A7%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D8%A7%D9%85%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%AE%D9%88%D8%A8_%D8%B1%D8%A7_%D8%AA%D9%85%D8%B1%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\" >4. \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u062e\u0648\u0628 \u0631\u0627 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%A7%D8%B2_%D9%86%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D8%AA%D9%88%D8%B5%DB%8C%D9%81%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0627\u0632 \u0646\u0627\u0645 \u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%AA%D8%B9%D8%A7%D8%AF%D9%84_%D9%88%D8%B6%D9%88%D8%AD_%D9%88_%D9%85%D8%AE%D8%AA%D8%B5%D8%B1\" >\u062a\u0639\u0627\u062f\u0644 \u0648\u0636\u0648\u062d \u0648 \u0645\u062e\u062a\u0635\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D9%86%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D8%AE%D9%88%D8%A8_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%86%D8%B8%D8%B1%D8%A7%D8%AA_%D8%AA%D8%B1%D8%AC%DB%8C%D8%AD_%D8%AF%D9%87%DB%8C%D8%AF\" >\u0646\u0627\u0645 \u0647\u0627\u06cc \u062e\u0648\u0628 \u0631\u0627 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u062a\u0631\u062c\u06cc\u062d \u062f\u0647\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D9%85%D9%82%D8%A7%D8%AF%DB%8C%D8%B1_%D8%AC%D8%A7%D8%AF%D9%88%DB%8C%DB%8C_%D8%B1%D8%A7_%D8%A8%D8%A7_%D8%AB%D8%A7%D8%A8%D8%AA_%D9%87%D8%A7%DB%8C_%D9%86%D8%A7%D9%85%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%B4%D8%AF%D9%87_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0645\u0642\u0627\u062f\u06cc\u0631 \u062c\u0627\u062f\u0648\u06cc\u06cc \u0631\u0627 \u0628\u0627 \u062b\u0627\u0628\u062a \u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#5_%D8%A7%D9%88%D9%84%D9%88%DB%8C%D8%AA_%D8%A8%D9%86%D8%AF%DB%8C_%D8%AA%D8%B3%D8%AA\" >5. \u0627\u0648\u0644\u0648\u06cc\u062a \u0628\u0646\u062f\u06cc \u062a\u0633\u062a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%AA%D8%B3%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF\" >\u062a\u0633\u062a \u0648\u0627\u062d\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%AA%D8%B3%D8%AA_%DB%8C%DA%A9%D9%BE%D8%A7%D8%B1%DA%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\" >\u062a\u0633\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0633\u0627\u0632\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D8%AA%D8%B3%D8%AA_%D9%BE%D8%A7%DB%8C%D8%A7%D9%86_%D8%A8%D9%87_%D8%A7%D9%86%D8%AA%D9%87%D8%A7\" >\u062a\u0633\u062a \u067e\u0627\u06cc\u0627\u0646 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#6_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_%D8%B1%DB%8C%D8%B2%DB%8C_%D9%88_%D8%A7%D8%AC%D8%B1%D8%A7_%D9%88%D9%82%D8%AA_%D8%A8%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C%D8%AF\" >6. \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0648 \u0627\u062c\u0631\u0627 \u0648\u0642\u062a \u0628\u06af\u0630\u0627\u0631\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/nabfollower.com\/blog\/development-principles-3l2p\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_%D8%A7%D8%B3%D8%AA%D8%A7%D9%86%D8%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_%D9%86%D9%88%DB%8C%D8%B3%DB%8C_%D8%B1%D8%A7_%D8%A8%D9%BE%D8%B0%DB%8C%D8%B1%DB%8C%D8%AF\"><\/span>\n<p>  1. \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0631\u0627 \u0628\u067e\u0630\u06cc\u0631\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0642\u062f\u0645 \u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0646 \u0628\u0647 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0628\u0647\u062a\u0631\u060c \u0631\u0639\u0627\u06cc\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a. \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627 \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062c\u0646\u0628\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc\u060c \u0633\u0627\u0632\u0645\u0627\u0646\u062f\u0647\u06cc \u06a9\u062f \u0648 \u0633\u0627\u062e\u062a\u0627\u0631 \u0641\u0627\u06cc\u0644 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u060c \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0633\u0627\u0632\u06af\u0627\u0631 \u0648 \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0633\u062a\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0647\u0645\u06a9\u0627\u0631\u06cc \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u062f\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0631 \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u062e\u0627\u0635 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f. \u0628\u0631\u0627\u06cc Go\u060c \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u062f\u0631 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0631\u0633\u0645\u06cc \u0633\u0628\u06a9 Go \u0622\u0645\u062f\u0647 \u0627\u0633\u062a. \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0632\u0645\u06cc\u0646\u0647 \u062e\u0648\u062f \u0631\u0627 \u06cc\u0627\u062f \u0628\u06af\u06cc\u0631\u06cc\u062f \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u067e\u0630\u06cc\u0631\u06cc\u062f\u060c \u0686\u0647 \u06a9\u0646\u0648\u0627\u0646\u0633\u06cc\u0648\u0646 \u0647\u0627\u06cc \u062a\u06cc\u0645 \u0634\u0645\u0627 \u06cc\u0627 \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627\u06cc \u062e\u0627\u0635 \u0632\u0628\u0627\u0646.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0645\u062b\u0627\u0644\u06cc \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u06a9\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Before: Inconsistent styling<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">dosomething<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span> <span class=\"kt\">int<\/span><span class=\"p\">,<\/span><span class=\"n\">y<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span>\n<span class=\"k\">if<\/span> <span class=\"n\">x<\/span><span class=\"o\">&gt;<\/span><span class=\"m\">10<\/span><span class=\"p\">{<\/span>\n<span class=\"k\">return<\/span> <span class=\"n\">y<\/span><span class=\"o\">+<\/span><span class=\"s\">\"is big\"<\/span>\n<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\n<span class=\"k\">return<\/span> <span class=\"n\">y<\/span><span class=\"o\">+<\/span><span class=\"s\">\"is small\"<\/span>\n<span class=\"p\">}}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u06a9\u062f \u0686\u0646\u062f\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u062f\u0627\u0631\u062f:<\/p>\n<ol>\n<li>\u0641\u0627\u0635\u0644\u0647 \u0648 \u062a\u0648\u0631\u0641\u062a\u06af\u06cc \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631\u060c \u062f\u0631\u06a9 \u0633\u0627\u062e\u062a\u0627\u0631 \u06a9\u062f \u0631\u0627 \u062f\u0634\u0648\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0646\u0627\u0645 \u062a\u0627\u0628\u0639 \u0627\u0632 \u0642\u0631\u0627\u0631\u062f\u0627\u062f CamelCase Go \u067e\u06cc\u0631\u0648\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc <code>else<\/code> \u0628\u0646\u062f \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0634\u0646\u0627\u062e\u062a\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ol>\n<p>\u062d\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0645\u062c\u062f\u062f\u0627\u064b \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645 \u062a\u0627 \u0627\u0632 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc Go \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ After: Following Go standards<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">doSomething<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span> <span class=\"kt\">int<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">x<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">10<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">y<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\" is big\"<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">y<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\" is small\"<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647:<\/p>\n<ol>\n<li>\u062a\u0648\u0631\u0641\u062a\u06af\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0648\u0636\u0648\u062d \u0633\u0627\u062e\u062a\u0627\u0631 \u06a9\u062f \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<li>\u0646\u0627\u0645 \u062a\u0627\u0628\u0639 \u0627\u0632 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc Go \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0631\u0627 <code>else<\/code> \u0628\u0646\u062f \u062d\u0630\u0641 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0645\u0646\u0637\u0642 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ol>\n<p>\u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u0642\u0637 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0632\u06cc\u0628\u0627\u06cc\u06cc \u0634\u0646\u0627\u0633\u06cc \u0646\u06cc\u0633\u062a. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0648 \u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u06a9\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u0646\u062f. \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u062a\u06cc\u0645\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062f\u0627\u0648\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627 \u062f\u0631\u06a9 \u0648 \u06a9\u0627\u0631 \u0628\u0627 \u06a9\u062f \u067e\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u062d\u062a\u06cc \u0627\u06af\u0631 \u062a\u06cc\u0645 \u0634\u0645\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u062b\u0627\u0628\u062a\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u06a9\u0646\u0648\u0627\u0646\u0633\u06cc\u0648\u0646 \u0647\u0627\u06cc \u067e\u0630\u06cc\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u062f\u0631 \u062c\u0627\u0645\u0639\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u067e\u06cc\u0634\u0642\u062f\u0645 \u0634\u0648\u06cc\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0628\u0647 \u06a9\u062f \u062e\u0648\u0627\u0646\u0627 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u0634\u0645\u0627 \u0645\u0646\u062c\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B2_%D8%A7%D8%B5%D9%88%D9%84_%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  2. \u0627\u0632 \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u062f \u0628\u0647\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f. \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0646\u0647 \u062a\u0646\u0647\u0627 \u062f\u0631 \u0645\u0639\u0645\u0627\u0631\u06cc \u06a9\u062f\u060c \u0628\u0644\u06a9\u0647 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0648 \u062d\u062a\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u062c\u0646\u0628\u0647 \u0647\u0627\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0646\u06cc\u0632 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0631\u062f.<br \/>\u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0648 \u0628\u0631\u062e\u06cc \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062e\u0627\u0635 \u0645\u0631\u062a\u0628\u0637 \u062a\u0631\u0646\u062f. \u0628\u0631\u062e\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0627\u0646\u0646\u062f KISS (\u0633\u0627\u062f\u0647\u060c \u0627\u062d\u0645\u0642\u0627\u0646\u0647 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f) \u06cc\u0627 YAGNI (\u0634\u0645\u0627 \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u062f) \u0639\u0645\u0648\u0645\u06cc \u062a\u0631 \u0647\u0633\u062a\u0646\u062f.<br \/>\u062f\u0631 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u06a9\u0644\u06cc\u060c \u0627\u0635\u0648\u0644 SOLID \u0627\u0632 \u062a\u0627\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0647\u0633\u062a\u0646\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u0627\u0635\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0645\u0631\u06a9\u0632 \u0628\u0631 \u0686\u06af\u0648\u0646\u06af\u06cc \u0628\u0647\u0628\u0648\u062f \u06a9\u062f \u0634\u0645\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D9%85%D8%B3%D8%A6%D9%88%D9%84%DB%8C%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF_SRP\"><\/span>\n<p>  <strong>\u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0644 \u0634\u0645\u0627 \u0631\u0627 \u062a\u0634\u0648\u06cc\u0642 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u062c\u0632\u0627 (\u062a\u0648\u0627\u0628\u0639\u060c \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627) \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0647\u062f\u0641 \u0648\u0627\u062d\u062f \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0637\u0631\u0627\u062d\u06cc \u06a9\u0646\u06cc\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u062c\u0632\u0621 \u062f\u0627\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0628\u0627\u0634\u062f\u060c \u062f\u0631\u06a9\u060c \u0622\u0632\u0645\u0627\u06cc\u0634 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 refactoring \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 SRP \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Before: A function doing too much<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">processOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c\">\/\/ Validate order<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">Total<\/span> <span class=\"o\"> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">errors<\/span><span class=\"o\">.<\/span><span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"s\">\"invalid order total\"<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"c\">\/\/ Save to database<\/span>\n    <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Save<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">)<\/span>\n    <span class=\"c\">\/\/ Send confirmation email<\/span>\n    <span class=\"n\">sendEmail<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEmail<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Order Confirmation\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">orderDetails<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">))<\/span>\n    <span class=\"c\">\/\/ Update inventory<\/span>\n    <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">Items<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">updateInventory<\/span><span class=\"p\">(<\/span><span class=\"n\">item<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"o\">.<\/span><span class=\"n\">Quantity<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span>\n<span class=\"p\">}<\/span>\n<\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0627\u0631 \u063a\u06cc\u0631\u0645\u0631\u062a\u0628\u0637 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f: \u062a\u0623\u06cc\u06cc\u062f \u0633\u0641\u0627\u0631\u0634\u060c \u0630\u062e\u06cc\u0631\u0647 \u0622\u0646 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0631\u0633\u0627\u0644 \u0627\u06cc\u0645\u06cc\u0644\u060c \u0648 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062a\u0648\u0627\u0628\u0639 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ After: Breaking it down into single responsibilities<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">processOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">validateOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">err<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">saveOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">err<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sendOrderConfirmation<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">err<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">updateInventoryForOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"k\">func<\/span> <span class=\"n\">validateOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">Total<\/span> <span class=\"o\"> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">errors<\/span><span class=\"o\">.<\/span><span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"s\">\"invalid order total\"<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"n\">saveOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Save<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"n\">sendOrderConfirmation<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">sendEmail<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEmail<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Order Confirmation\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">orderDetails<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span><span class=\"p\">))<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"n\">updateInventoryForOrder<\/span><span class=\"p\">(<\/span><span class=\"n\">order<\/span> <span class=\"n\">Order<\/span><span class=\"p\">)<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">order<\/span><span class=\"o\">.<\/span><span class=\"n\">Items<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">updateInventory<\/span><span class=\"p\">(<\/span><span class=\"n\">item<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"o\">.<\/span><span class=\"n\">Quantity<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">return<\/span> <span class=\"n\">err<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span>\n<span class=\"p\">}<\/span>\n<\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0634\u062f\u0647:<\/p>\n<ul>\n<li>\u0647\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0648 \u0631\u0648\u0634\u0646 \u062f\u0627\u0631\u062f.<\/li>\n<li>\u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631\u062a\u0631 \u0627\u0633\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a.<\/li>\n<li>\u0627\u062c\u0632\u0627\u06cc \u0645\u0646\u0641\u0631\u062f \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0645\u062c\u062f\u062f\u0627\u064b \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f \u06cc\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0631 \u062f\u06cc\u06af\u0631\u0627\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u06af\u0630\u0627\u0631\u062f.<\/li>\n<\/ul>\n<p>\u0628\u0647 \u0645\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0646\u06cc\u062f\u060c \u0622\u06cc\u0646\u062f\u0647 \u0634\u0645\u0627 \u0627\u0632 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0633\u0637\u062d \u0627\u0632 \u0633\u0627\u0632\u0645\u0627\u0646 \u062a\u0634\u06a9\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87_OCP\"><\/span>\n<p>  <strong>\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0628\u0627\u0632 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0646\u0647\u0627\u062f\u0647\u0627\u06cc \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u0646\u062f \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u06cc\u062f\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86%DB%8C_%D9%84%DB%8C%D8%B3%DA%A9%D9%88%D9%81_LSP\"><\/span>\n<p>  <strong>\u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LSP \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0627\u0634\u06cc\u0627\u0621 \u06cc\u06a9 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0622\u0646 \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u0631 \u0635\u062d\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0627\u0628\u0644 \u062a\u0639\u0648\u06cc\u0636 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628 \u0648\u0631\u0627\u062b\u062a \u0628\u0647 \u062e\u0648\u0628\u06cc \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0633\u062a.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%AC%D8%AF%D8%A7%D8%B3%D8%A7%D8%B2%DB%8C_%D8%B1%D8%A7%D8%A8%D8%B7_ISP\"><\/span>\n<p>  <strong>\u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ISP \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0647\u06cc\u0686 \u06a9\u062f\u06cc \u0646\u0628\u0627\u06cc\u062f \u0645\u062c\u0628\u0648\u0631 \u0634\u0648\u062f \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc \u06a9\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f. \u062f\u0631 \u0639\u0645\u0644\u060c \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 ISP \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Before: A large interface that many structs only partially implement<\/span>\n<span class=\"k\">type<\/span> <span class=\"n\">Worker<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">DoWork<\/span><span class=\"p\">()<\/span>\n    <span class=\"n\">TakeBreak<\/span><span class=\"p\">()<\/span>\n    <span class=\"n\">GetPaid<\/span><span class=\"p\">()<\/span>\n    <span class=\"n\">FileTicket<\/span><span class=\"p\">()<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0628\u0632\u0631\u06af\u060c \u067e\u06cc\u0627\u062f\u0647\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0645\u062c\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0622\u0646\u200c\u0647\u0627 \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u0646\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ After: Smaller, more focused interfaces<\/span>\n<span class=\"k\">type<\/span> <span class=\"n\">Worker<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">DoWork<\/span><span class=\"p\">()<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">BreakTaker<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">TakeBreak<\/span><span class=\"p\">()<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">Payable<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">GetPaid<\/span><span class=\"p\">()<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">TicketFiler<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">FileTicket<\/span><span class=\"p\">()<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"k\">type<\/span> <span class=\"n\">Developer<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">d<\/span> <span class=\"n\">Developer<\/span><span class=\"p\">)<\/span> <span class=\"n\">DoWork<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Writing code\"<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">d<\/span> <span class=\"n\">Developer<\/span><span class=\"p\">)<\/span> <span class=\"n\">TakeBreak<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Browsing Reddit\"<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">d<\/span> <span class=\"n\">Developer<\/span><span class=\"p\">)<\/span> <span class=\"n\">FileTicket<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Creating a Jira ticket\"<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">Contractor<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"n\">Contractor<\/span><span class=\"p\">)<\/span> <span class=\"n\">DoWork<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Completing assigned task\"<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"n\">Contractor<\/span><span class=\"p\">)<\/span> <span class=\"n\">GetPaid<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Invoicing for work done\"<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 Go\u060c \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0636\u0645\u0646\u06cc \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D9%88%D8%A7%D8%B1%D9%88%D9%86%DA%AF%DB%8C_%D9%88%D8%A7%D8%A8%D8%B3%D8%AA%DA%AF%DB%8C_DIP\"><\/span>\n<p>  <strong>\u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DIP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0639\u06cc\u0646\u06cc \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0627 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u06cc\u0627 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc\u060c \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062c\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627 \u0627\u062c\u0627\u0632\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u06af\u06cc\u060c \u062a\u0633\u062a \u0622\u0633\u0627\u0646 \u062a\u0631 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<hr\/>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID (\u0628\u0628\u06cc\u0646\u06cc\u062f \u0645\u0646 \u062f\u0631 \u0622\u0646\u062c\u0627 \u0686\u0647 \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0645\u061f) \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u062f\u0647\u0627\u06cc \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0648 \u062c\u062f\u0627 \u0634\u062f\u0647 \u0627\u06cc \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u060c \u0645\u0642\u06cc\u0627\u0633\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a. \u062f\u0631\u06cc\u0627\u0641\u062a\u0647\u200c\u0627\u0645 \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644\u060c \u0627\u06af\u0631\u0686\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u062f\u0627\u0648\u0645 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u06a9\u062f \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631\u06cc \u0645\u0646\u062c\u0631 \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0633\u062a\u0646\u062f\u060c \u0646\u0647 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0633\u062e\u062a. \u0647\u0645\u06cc\u0634\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0642\u0648\u0627\u0646\u06cc\u0646 \u0648\u062c\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a\u060c \u0627\u0645\u0627 \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u0633\u062a\u0645\u0631 \u0627\u0633\u062a \u0648 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u06cc\u06a9\u0628\u0627\u0631\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u062c\u0627\u062f \u0639\u0627\u062f\u0627\u062a \u062e\u0648\u0628 \u0628\u0647 \u0632\u0645\u0627\u0646 \u0648 \u062a\u0644\u0627\u0634 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f\u060c \u0627\u0645\u0627 \u067e\u0627\u062f\u0627\u0634 \u0622\u0646 \u0627\u0631\u0632\u0634\u0634 \u0631\u0627 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_%D8%A7%D8%B2_%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  3. \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f. \u0622\u0646\u0647\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0641\u062a \u0648 \u0633\u062e\u062a\u06cc \u0646\u06cc\u0633\u062a\u0646\u062f\u060c \u0628\u0644\u06a9\u0647 \u0642\u0627\u0644\u0628 \u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0627\u0635 \u0633\u0627\u0632\u06af\u0627\u0631 \u0634\u0648\u0646\u062f. \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0628\u0627 \u0627\u0635\u0648\u0644 SOLID \u0645\u0631\u062a\u0628\u0637 \u0647\u0633\u062a\u0646\u062f \u0648 \u0627\u063a\u0644\u0628 \u0628\u0627 \u0647\u062f\u0641 \u062d\u0641\u0638 \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u0645\u0648\u0631\u062f \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u062e\u0648\u062f \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0647 \u0633\u0647 \u0646\u0648\u0639 \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%AE%D9%84%D8%A7%D9%82%DB%8C%D8%AA\"><\/span>\n<p>  <strong>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u062e\u0644\u0627\u0642\u06cc\u062a<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0647\u0627 \u0628\u0627 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u06cc \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u0646\u062f. \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0644\u06af\u0648\u06cc Factory Method \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0639\u06cc\u0646 \u0627\u0646\u062a\u0632\u0627\u0639 \u0645\u0646\u0637\u0642 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc\u060c \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 Factory Method \u062f\u0631 Go \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"k\">type<\/span> <span class=\"n\">PaymentMethod<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">Pay<\/span><span class=\"p\">(<\/span><span class=\"n\">amount<\/span> <span class=\"kt\">float64<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">CashPayment<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"n\">CashPayment<\/span><span class=\"p\">)<\/span> <span class=\"n\">Pay<\/span><span class=\"p\">(<\/span><span class=\"n\">amount<\/span> <span class=\"kt\">float64<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Paid %.2f using cash\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">amount<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">type<\/span> <span class=\"n\">CreditCardPayment<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\n\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">cc<\/span> <span class=\"n\">CreditCardPayment<\/span><span class=\"p\">)<\/span> <span class=\"n\">Pay<\/span><span class=\"p\">(<\/span><span class=\"n\">amount<\/span> <span class=\"kt\">float64<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Paid %.2f using credit card\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">amount<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c a \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>PaymentMethod<\/code> \u0631\u0627\u0628\u0637 \u0648 \u062f\u0648 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u062a\u0646. \u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"k\">func<\/span> <span class=\"n\">GetPaymentMethod<\/span><span class=\"p\">(<\/span><span class=\"n\">method<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"n\">PaymentMethod<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">switch<\/span> <span class=\"n\">method<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">case<\/span> <span class=\"s\">\"cash\"<\/span><span class=\"o\">:<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">CashPayment<\/span><span class=\"p\">{},<\/span> <span class=\"no\">nil<\/span>\n    <span class=\"k\">case<\/span> <span class=\"s\">\"credit\"<\/span><span class=\"o\">:<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">CreditCardPayment<\/span><span class=\"p\">{},<\/span> <span class=\"no\">nil<\/span>\n    <span class=\"k\">default<\/span><span class=\"o\">:<\/span>\n        <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Errorf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Payment method %s not supported\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">method<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0645\u0646\u0627\u0633\u0628 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0634\u062a\u0647 \u0648\u0631\u0648\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"n\">method<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">GetPaymentMethod<\/span><span class=\"p\">(<\/span><span class=\"s\">\"cash\"<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\n    <span class=\"k\">return<\/span>\n<span class=\"p\">}<\/span>\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">method<\/span><span class=\"o\">.<\/span><span class=\"n\">Pay<\/span><span class=\"p\">(<\/span><span class=\"m\">42.42<\/span><span class=\"p\">))<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0627\u0645\u06a9\u0627\u0646 \u06af\u0633\u062a\u0631\u0634 \u0622\u0633\u0627\u0646 \u0631\u0648\u0634 \u0647\u0627\u06cc \u067e\u0631\u062f\u0627\u062e\u062a \u0631\u0627 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B3%D8%A7%D8%AE%D8%AA%D8%A7%D8%B1%DB%8C\"><\/span>\n<p>  <strong>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc \u0628\u0627 \u062a\u0631\u06a9\u06cc\u0628 \u0627\u0634\u06cc\u0627\u0621 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u0646\u062f \u0648 \u062a\u0639\u0627\u0645\u0644 \u0628\u0647\u062a\u0631\u06cc \u0628\u06cc\u0646 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644 \u0627\u0644\u06af\u0648\u06cc Adapter \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u0627 \u0647\u0645 \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_%D8%B1%D9%81%D8%AA%D8%A7%D8%B1%DB%8C\"><\/span>\n<p>  <strong>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0641\u062a\u0627\u0631\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0641\u062a\u0627\u0631\u06cc \u0628\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u0627\u0634\u06cc\u0627 \u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u0646\u062f. \u0627\u0644\u06af\u0648\u06cc Observer \u06cc\u06a9 \u0627\u0644\u06af\u0648\u06cc \u0631\u0641\u062a\u0627\u0631\u06cc \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u06a9\u0647 \u0645\u062f\u0644 \u0627\u0646\u062a\u0634\u0627\u0631-\u0627\u0634\u062a\u0631\u0627\u06a9 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0627\u0634\u06cc\u0627 \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f \u062a\u0627 \u0628\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f.<\/p>\n<hr\/>\n<p>\u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0648 \u0628\u0631\u062e\u06cc \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062e\u0627\u0635 \u0645\u0631\u062a\u0628\u0637 \u062a\u0631 \u0647\u0633\u062a\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0634\u062f\u062a \u0627\u0632 \u0627\u0644\u06af\u0648\u06cc Object Pool \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u062a\u0648\u0633\u0639\u0647 \u0648\u0628 \u06a9\u0645\u062a\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a.<\/p>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0628\u0647 \u062d\u0644 \u0645\u0634\u06a9\u0644\u0627\u062a \u062a\u06a9\u0631\u0627\u0631\u06cc \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u062c\u0647\u0627\u0646\u06cc \u062f\u0631 \u0628\u06cc\u0646 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0647\u0645\u0647 \u0627\u0644\u06af\u0648\u0647\u0627 \u0628\u0647 \u06cc\u06a9\u0628\u0627\u0631\u0647 \u0627\u062d\u0633\u0627\u0633 \u0641\u0634\u0627\u0631 \u0646\u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0639\u0648\u0636\u060c \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0622\u0634\u0646\u0627 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0647\u0646\u06af\u0627\u0645 \u0645\u0648\u0627\u062c\u0647\u0647 \u0628\u0627 \u06cc\u06a9 \u0645\u0634\u06a9\u0644 \u062c\u062f\u06cc\u062f\u060c \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0631\u0627\u0647 \u062d\u0644\u06cc \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u060c \u0645\u0631\u0648\u0631 \u06a9\u0646\u06cc\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u0634\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0637\u0628\u06cc\u0639\u06cc \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0637\u0631\u0627\u062d\u06cc \u062e\u0648\u062f \u0648\u0627\u0631\u062f \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D9%82%D8%B1%D8%A7%D8%B1%D8%AF%D8%A7%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D8%A7%D9%85%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%AE%D9%88%D8%A8_%D8%B1%D8%A7_%D8%AA%D9%85%D8%B1%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  4. \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u062e\u0648\u0628 \u0631\u0627 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0648\u0627\u0646\u06cc\u0646 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0648\u0627\u0636\u062d \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0627\u0631\u062a\u0628\u0627\u0637 \u0646\u0632\u062f\u06cc\u06a9\u06cc \u0628\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0627\u0631\u062f \u0648 \u0634\u0627\u06cc\u0633\u062a\u0647 \u062a\u0648\u062c\u0647 \u0648\u06cc\u0698\u0647 \u0627\u0633\u062a.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B2_%D9%86%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D8%AA%D9%88%D8%B5%DB%8C%D9%81%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0627\u0632 \u0646\u0627\u0645 \u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0646\u0627\u0645 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0648\u0636\u0648\u062d \u0647\u062f\u0641 \u0645\u062a\u063a\u06cc\u0631\u060c \u062a\u0627\u0628\u0639 \u06cc\u0627 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u062a\u0648\u0635\u06cc\u0641 \u06a9\u0646\u0646\u062f. \u0627\u0632 \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u06cc\u0627 \u0627\u062e\u062a\u0635\u0627\u0631\u0627\u062a \u0645\u0631\u0645\u0648\u0632 \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0627 \u0646\u0627\u0645 \u0636\u0639\u06cc\u0641 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Bad<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">calc<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062d\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0646\u0627\u0645 \u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u062a\u0631 \u0628\u0647\u0628\u0648\u062f \u062f\u0647\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Good<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">calculateSum<\/span><span class=\"p\">(<\/span><span class=\"n\">firstNumber<\/span><span class=\"p\">,<\/span> <span class=\"n\">secondNumber<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">firstNumber<\/span> <span class=\"o\">+<\/span> <span class=\"n\">secondNumber<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0628\u0627 \u0646\u0627\u0645 \u0647\u0627\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0637\u0648\u0644\u0627\u0646\u06cc \u0627\u0641\u0631\u0627\u0637 \u0646\u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Too verbose<\/span>\n<span class=\"k\">func<\/span> <span class=\"n\">calculateSumOfTwoIntegersAndReturnTheResult<\/span><span class=\"p\">(<\/span><span class=\"n\">firstInteger<\/span><span class=\"p\">,<\/span> <span class=\"n\">secondInteger<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">firstInteger<\/span> <span class=\"o\">+<\/span> <span class=\"n\">secondInteger<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B9%D8%A7%D8%AF%D9%84_%D9%88%D8%B6%D9%88%D8%AD_%D9%88_%D9%85%D8%AE%D8%AA%D8%B5%D8%B1\"><\/span>\n<p>  <strong>\u062a\u0639\u0627\u062f\u0644 \u0648\u0636\u0648\u062d \u0648 \u0645\u062e\u062a\u0635\u0631<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0646\u0627\u0645 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0647\u062f\u0641 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f \u06a9\u0647 \u0648\u0627\u0636\u062d \u0628\u0627\u0634\u0646\u062f \u0627\u0645\u0627 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u067e\u0631\u0645\u062e\u0627\u0637\u0628 \u0646\u0628\u0627\u0634\u0646\u062f. \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u0628 \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u060c \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0645\u0633\u062a\u0646\u062f\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D8%AE%D9%88%D8%A8_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%86%D8%B8%D8%B1%D8%A7%D8%AA_%D8%AA%D8%B1%D8%AC%DB%8C%D8%AD_%D8%AF%D9%87%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0646\u0627\u0645 \u0647\u0627\u06cc \u062e\u0648\u0628 \u0631\u0627 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u062a\u0631\u062c\u06cc\u062d \u062f\u0647\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u063a\u0644\u0628\u060c \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0646\u0638\u0631\u0627\u062a \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u062f\u0631 \u06a9\u062f \u0634\u0645\u0627 \u0646\u0627\u0634\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0627\u06af\u0631 \u0645\u06cc\u200c\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0686\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u06cc\u06a9 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0627\u0645 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u06cc\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f \u062a\u0627 \u06a9\u062f \u062e\u0648\u062f \u062a\u0648\u0636\u06cc\u062d\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%A7%D8%AF%DB%8C%D8%B1_%D8%AC%D8%A7%D8%AF%D9%88%DB%8C%DB%8C_%D8%B1%D8%A7_%D8%A8%D8%A7_%D8%AB%D8%A7%D8%A8%D8%AA_%D9%87%D8%A7%DB%8C_%D9%86%D8%A7%D9%85%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%B4%D8%AF%D9%87_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0645\u0642\u0627\u062f\u06cc\u0631 \u062c\u0627\u062f\u0648\u06cc\u06cc \u0631\u0627 \u0628\u0627 \u062b\u0627\u0628\u062a \u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062b\u0627\u0628\u062a\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647 \u0628\u0647\u200c\u062c\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647\u060c \u0645\u0639\u0646\u0627\u06cc \u0622\u0646\u0647\u0627 \u0631\u0627 \u0631\u0648\u0634\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u062f \u0634\u0645\u0627 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"c\">\/\/ Bad<\/span>\n<span class=\"k\">if<\/span> <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">Age<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"m\">18<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c\">\/\/ Allow access<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c\">\/\/ Good<\/span>\n<span class=\"k\">const<\/span> <span class=\"n\">LegalAge<\/span> <span class=\"o\">=<\/span> <span class=\"m\">18<\/span>\n<span class=\"k\">if<\/span> <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">Age<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"n\">LegalAge<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c\">\/\/ Allow access<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc\u060c \u06a9\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062e\u0648\u0627\u0646\u062f\u0646\u060c \u062f\u0631\u06a9 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_%D8%A7%D9%88%D9%84%D9%88%DB%8C%D8%AA_%D8%A8%D9%86%D8%AF%DB%8C_%D8%AA%D8%B3%D8%AA\"><\/span>\n<p>  5. \u0627\u0648\u0644\u0648\u06cc\u062a \u0628\u0646\u062f\u06cc \u062a\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0632\u0645\u0627\u06cc\u0634 \u06cc\u06a9 \u062a\u0645\u0631\u06cc\u0646 \u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642 \u0627\u0646\u062a\u0638\u0627\u0631 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0633\u062a. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0646\u0638\u0631\u0627\u062a \u062b\u0627\u0628\u062a \u0632\u06cc\u0627\u062f\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0631\u0648\u0634 \u0647\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0627\u0634\u06a9\u0627\u0644\u06cc \u0646\u062f\u0627\u0631\u062f \u06a9\u0647 \u0631\u0648\u06cc\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0648 \u062a\u06cc\u0645 \u0634\u0645\u0627 \u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B3%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF\"><\/span>\n<p>  <strong>\u062a\u0633\u062a \u0648\u0627\u062d\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0628\u0631 \u0631\u0648\u06cc \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0641\u0631\u062f\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062c\u0632\u0627 \u062a\u0645\u0631\u06a9\u0632 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0627\u0632\u062e\u0648\u0631\u062f \u0633\u0631\u06cc\u0639\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u0628\u062e\u0634 \u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0627\u0632 \u06a9\u062f \u0634\u0645\u0627 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0632 \u062a\u0633\u062a \u0648\u0627\u062d\u062f \u062f\u0631 Go \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight go\"><code><span class=\"k\">func<\/span> <span class=\"n\">TestCalculateSum<\/span><span class=\"p\">(<\/span><span class=\"n\">t<\/span> <span class=\"o\">*<\/span><span class=\"n\">testing<\/span><span class=\"o\">.<\/span><span class=\"n\">T<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">result<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">calculateSum<\/span><span class=\"p\">(<\/span><span class=\"m\">3<\/span><span class=\"p\">,<\/span> <span class=\"m\">4<\/span><span class=\"p\">)<\/span>\n    <span class=\"n\">expected<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">7<\/span>\n    <span class=\"k\">if<\/span> <span class=\"n\">result<\/span> <span class=\"o\">!=<\/span> <span class=\"n\">expected<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"n\">Errorf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"calculateSum(3, 4) = %d; want %d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">result<\/span><span class=\"p\">,<\/span> <span class=\"n\">expected<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B3%D8%AA_%DB%8C%DA%A9%D9%BE%D8%A7%D8%B1%DA%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  <strong>\u062a\u0633\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0633\u0627\u0632\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0633\u0627\u0632\u06cc \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0627 \u0647\u0645 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u062a\u0639\u0627\u0645\u0644 \u0628\u06cc\u0646 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u06a9\u062f \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B3%D8%AA_%D9%BE%D8%A7%DB%8C%D8%A7%D9%86_%D8%A8%D9%87_%D8%A7%D9%86%D8%AA%D9%87%D8%A7\"><\/span>\n<p>  <strong>\u062a\u0633\u062a \u067e\u0627\u06cc\u0627\u0646 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0633\u062a \u0647\u0627\u06cc \u0627\u0646\u062a\u0647\u0627 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627 \u062a\u0639\u0627\u0645\u0644\u0627\u062a \u06a9\u0627\u0631\u0628\u0631 \u0628\u0627 \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u06a9\u0644 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u062f\u06cc\u062f \u06a9\u0627\u0631\u0628\u0631 \u0645\u062d\u0648\u0631 \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u06a9\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0634\u062f\u0647 \u0627\u0646\u062f \u0646\u0647 \u062a\u0646\u0647\u0627 \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f\u062a\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0644\u06a9\u0647 \u0628\u0647 \u0645\u0631\u0648\u0631 \u0632\u0645\u0627\u0646 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646\u0647\u0627 \u0646\u06cc\u0632 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a. \u0627\u0635\u0648\u0644 SOLID \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u06cc\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u062a\u0634\u0648\u06cc\u0642 \u06a9\u062f\u0647\u0627\u06cc \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0648 \u062c\u062f\u0627\u0634\u062f\u0647 \u06a9\u0647 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0648 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0622\u0646 \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u0627\u0633\u062a\u060c \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u06a9\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_%D8%B1%DB%8C%D8%B2%DB%8C_%D9%88_%D8%A7%D8%AC%D8%B1%D8%A7_%D9%88%D9%82%D8%AA_%D8%A8%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C%D8%AF\"><\/span>\n<p>  6. \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0648 \u0627\u062c\u0631\u0627 \u0648\u0642\u062a \u0628\u06af\u0630\u0627\u0631\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0639\u062c\u0644\u0647 \u062f\u0631 \u0627\u0646\u062c\u0627\u0645 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627 \u0648\u0633\u0648\u0633\u0647 \u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0636\u0631\u0628 \u0627\u0644\u0627\u062c\u0644 \u0647\u0627 \u0645\u062d\u062f\u0648\u062f \u0627\u0633\u062a\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0645\u062a\u0641\u06a9\u0631\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0644\u0646\u062f\u0645\u062f\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0639\u062c\u0644\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u062f\u0647\u06cc \u0641\u0646\u06cc 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\u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0628\u0647\u062a\u0631 \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u062f\u0627\u0648\u0645 \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0648\u0631\u0627\u064b \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u062f\u0631\u0633\u062a \u0627\u0646\u062c\u0627\u0645 \u0646\u062f\u0627\u062f\u06cc\u062f\u060c \u0646\u0627\u0627\u0645\u06cc\u062f \u0646\u0634\u0648\u06cc\u062f. \u0628\u0647 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f\u060c \u0628\u0647 \u062a\u0645\u0631\u06cc\u0646 \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f \u0648 \u0645\u0647\u0645\u062a\u0631 \u0627\u0632 \u0647\u0645\u0647\u060c \u0628\u0647 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646 \u0648 \u0627\u0632 \u062e\u0648\u062f \u06af\u0630\u0634\u062a\u06af\u06cc\u060c \u067e\u06cc\u0634\u0631\u0641\u062a \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u062f\u0631 \u0645\u0647\u0627\u0631\u062a \u0647\u0627 \u0648 \u06a9\u06cc\u0641\u06cc\u062a \u06a9\u0627\u0631 \u062e\u0648\u062f \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u06cc\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0646\u0627\u0628\u0639\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f:<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0645\u0633\u0644\u062d \u0628\u0647 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644\u060c \u0634\u0631\u0648\u0639 \u0628\u0647 \u0627\u0639\u0645\u0627\u0644 \u0622\u0646\u0647\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0628 API \u06a9\u0648\u0686\u06a9 \u06a9\u0647 \u0641\u0631\u0627\u062a\u0631 \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a \u0633\u0627\u062f\u0647 CRUD \u0627\u0633\u062a \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f\u060c \u06cc\u0627 \u0627\u0628\u0632\u0627\u0631\u06cc \u0631\u0627 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u06cc\u062f \u06a9\u0647 \u0645\u0634\u06a9\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u06a9\u0627\u0631 \u0631\u0648\u0632\u0627\u0646\u0647 \u0628\u0627 \u0622\u0646 \u0645\u0648\u0627\u062c\u0647 \u0647\u0633\u062a\u06cc\u062f \u0631\u0627 \u062d\u0644 \u06a9\u0646\u062f. \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc\u060c \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0646 \u0627\u0633\u062a. \u06a9\u062f \u0646\u0648\u06cc\u0633\u06cc \u0645\u0628\u0627\u0631\u06a9!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0633\u0641\u0631\u06cc \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u0645\u0633\u062a\u0645\u0631 \u0627\u0633\u062a. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645\u060c \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627 \u0648 \u0627\u0635\u0648\u0644\u06cc \u0645\u0648\u0627\u062c\u0647 \u0645\u06cc \u0634\u0648\u06cc\u0645 \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0647\u0646\u0631 \u062e\u0648\u062f \u0631\u0627 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u06cc\u0645 \u0648 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u062f \u0628\u0627 \u06a9\u06cc\u0641\u06cc\u062a \u0628\u0627\u0644\u0627\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0634\u0645\u0627 \u0631\u0627 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":75532,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-75531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/75531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=75531"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/75531\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/75532"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=75531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=75531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=75531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}