{"id":74358,"date":"2024-08-22T16:21:54","date_gmt":"2024-08-22T12:51:54","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/"},"modified":"2024-08-22T16:21:54","modified_gmt":"2024-08-22T12:51:54","slug":"understanding-smart-pointers-in-c-7g9","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/","title":{"rendered":"\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 C++"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang <\/p>\n<p>  \u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 C++<\/p>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u062f\u0631 C++ \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0633\u06cc\u0627\u0631 \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0627 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0627\u0634\u06cc\u0627\u0621 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f. \u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647\u060c C++11 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0648 \u06a9\u0645\u06a9 \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0645\u0627\u0646\u0646\u062f \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0648 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0622\u0648\u06cc\u0632\u0627\u0646 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0633\u0647 \u0646\u0648\u0639 \u0627\u0635\u0644\u06cc \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f C++ \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f: std::unique_ptr\u060c std::shared_ptr\u060c \u0648 std::weak_ptr.<\/p>\n<p>  \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0686\u06cc\u0633\u062a\u061f<\/p>\n<p>\u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0634\u06cc\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u062e\u0627\u0645 \u0631\u0627 \u0645\u06cc\u200c\u067e\u06cc\u0686\u062f \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u062d\u0627\u0641\u0638\u0647 \u0627\u0634\u0627\u0631\u0647\u200c\u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u0647 \u062e\u0627\u0631\u062c \u0645\u06cc \u0634\u0648\u062f\u060c \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0634\u06cc \u0627\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0632 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  1. std::unique_ptr<\/p>\n<p>std::unique_ptr \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0634\u06a9\u0644 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0633\u062a. \u0645\u0627\u0644\u06a9 \u0634\u06cc\u0626\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0647\u06cc\u0686 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u06cc\u06af\u0631\u06cc \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0645\u0627\u0646 \u0634\u06cc \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u0627\u0644\u06a9 \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u0634\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0627\u0628\u0639 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637\u06cc \u06a9\u0647 \u0645\u0627\u0644\u06a9\u06cc\u062a \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0634\u062a\u0647 \u0634\u0648\u062f \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<p>#include<br \/>\n#include <\/p>\n<p>int main() {<br \/>\n    std::unique_ptrint&gt; uniquePtr = std::make_uniqueint&gt;(10);<\/p>\n<p>    std::cout  &#8220;Unique pointer value: &#8221;  *uniquePtr  std::endl;<\/p>\n<p>    \/\/ std::unique_ptr anotherPtr = uniquePtr; \/\/ This will cause a compile-time error<br \/>\n    std::unique_ptrint&gt; anotherPtr = std::move(uniquePtr); \/\/ Transfer ownership<br \/>\n    if (!uniquePtr) {<br \/>\n        std::cout  &#8220;uniquePtr is now nullptr.&#8221;  std::endl;<br \/>\n    }<\/p>\n<p>    return 0;<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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<p>std::unique_ptr \u0627\u062c\u0627\u0632\u0647 \u06a9\u067e\u06cc \u0631\u0627 \u0646\u0645\u06cc \u062f\u0647\u062f \u0627\u0645\u0627 \u0627\u0632 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f.<br \/>\n\u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0648\u0627\u062d\u062f \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f.<\/p>\n<p>  2. std::shared_ptr<\/p>\n<p>std::shared_ptr \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0628\u0627 \u0634\u0645\u0627\u0631\u0634 \u0645\u0631\u062c\u0639 \u0627\u0633\u062a. \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 std::shared_ptr \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u06cc\u0621 \u0645\u0634\u0627\u0628\u0647 \u0628\u0627\u0634\u0646\u062f. \u0634\u06cc \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0628\u06cc\u0646 \u0645\u06cc \u0631\u0648\u062f \u06a9\u0647 \u0622\u062e\u0631\u06cc\u0646 std::shared_ptr \u06a9\u0647 \u0645\u0627\u0644\u06a9 \u0622\u0646 \u0627\u0633\u062a \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0631\u0648\u062f \u06cc\u0627 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0634\u0648\u062f.<\/p>\n<p>#include<br \/>\n#include <\/p>\n<p>int main() {<br \/>\n    std::shared_ptrint&gt; sharedPtr1 = std::make_sharedint&gt;(20);<br \/>\n    std::shared_ptrint&gt; sharedPtr2 = sharedPtr1; \/\/ Shared ownership<\/p>\n<p>    std::cout  &#8220;Shared pointer value: &#8221;  *sharedPtr1  std::endl;<br \/>\n    std::cout  &#8220;Reference count: &#8221;  sharedPtr1.use_count()  std::endl;<\/p>\n<p>    sharedPtr2.reset(); \/\/ Decrease reference count<br \/>\n    std::cout  &#8220;Reference count after reset: &#8221;  sharedPtr1.use_count()  std::endl;<\/p>\n<p>    return 0;<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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<p>std::shared_ptr \u0627\u062c\u0627\u0632\u0647 \u0645\u0627\u0644\u06a9\u06cc\u062a \u0645\u0634\u062a\u0631\u06a9 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f.<br \/>\n\u062a\u0639\u062f\u0627\u062f \u0645\u0631\u0627\u062c\u0639 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062a\u0639\u062f\u0627\u062f \u0628\u0647 \u0635\u0641\u0631 \u0628\u0631\u0633\u062f\u060c \u0634\u06cc \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  3. std::weak_ptr<\/p>\n<p>std::weak_ptr \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0627\u0632 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0645\u0631\u0627\u062c\u0639 \u06a9\u0645\u06a9\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0631\u062c\u0627\u0639\u0627\u062a \u062f\u0627\u06cc\u0631\u0647 \u0627\u06cc \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0648 \u06cc\u0627 \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 std::shared_ptr \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc \u062f\u0647\u0646\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>#include<br \/>\n#include <\/p>\n<p>struct Node {<br \/>\n    std::shared_ptrNode&gt; next;<br \/>\n    std::weak_ptrNode&gt; prev; \/\/ Prevent circular reference<br \/>\n    int value;<\/p>\n<p>    Node(int val) : value(val) {}<br \/>\n};<\/p>\n<p>int main() {<br \/>\n    auto node1 = std::make_sharedNode&gt;(1);<br \/>\n    auto node2 = std::make_sharedNode&gt;(2);<\/p>\n<p>    node1-&gt;next = node2;<br \/>\n    node2-&gt;prev = node1; \/\/ node2 has a weak reference to node1<\/p>\n<p>    std::cout  &#8220;Node1 value: &#8221;  node1-&gt;value  std::endl;<br \/>\n    std::cout  &#8220;Node2 value: &#8221;  node2-&gt;value  std::endl;<\/p>\n<p>    return 0;<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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<p>std::weak_ptr \u0627\u0632 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u0686\u0631\u062e\u0647 \u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<br \/>\n\u0627\u063a\u0644\u0628 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 std::shared_ptr \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u062f\u0631 C++ \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u06cc\u0645\u0646 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u062d\u0627\u0641\u0638\u0647 \u067e\u0648\u06cc\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0628\u0627 \u062f\u0631\u06a9 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0635\u062d\u06cc\u062d \u0627\u0632 std::unique_ptr\u060c std::shared_ptr \u0648 std::weak_ptr\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u0645\u0627\u0646\u0646\u062f \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0648 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0622\u0648\u06cc\u0632\u0627\u0646 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0627\u062f\u063a\u0627\u0645 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc ++C \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u062a\u0645\u06cc\u0632\u062a\u0631\u060c \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<div data-article-id=\"1969189\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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=\"\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a \u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628\"><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\/understanding-smart-pointers-in-c-7g9\/#%D8%A2%D8%B4%D9%86%D8%A7%DB%8C%DB%8C_%D8%A8%D8%A7_%D8%A7%D8%B4%D8%A7%D8%B1%D9%87_%DA%AF%D8%B1%D9%87%D8%A7%DB%8C_%D9%87%D9%88%D8%B4%D9%85%D9%86%D8%AF_%D8%AF%D8%B1_C\" >\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 C++<\/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\/understanding-smart-pointers-in-c-7g9\/#%D8%A7%D8%B4%D8%A7%D8%B1%D9%87_%DA%AF%D8%B1_%D9%87%D9%88%D8%B4%D9%85%D9%86%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/#1_std_unique_ptr\" >1. std::unique_ptr<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/#2_std_shared_ptr\" >2. std::shared_ptr<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/#3_std_weak_ptr\" >3. std::weak_ptr<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/understanding-smart-pointers-in-c-7g9\/#%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=\"%D8%A2%D8%B4%D9%86%D8%A7%DB%8C%DB%8C_%D8%A8%D8%A7_%D8%A7%D8%B4%D8%A7%D8%B1%D9%87_%DA%AF%D8%B1%D9%87%D8%A7%DB%8C_%D9%87%D9%88%D8%B4%D9%85%D9%86%D8%AF_%D8%AF%D8%B1_C\"><\/span>\n<p>  \u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 C++<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u062f\u0631 C++ \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0633\u06cc\u0627\u0631 \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0627 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0627\u0634\u06cc\u0627\u0621 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f. \u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647\u060c C++11 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0648 \u06a9\u0645\u06a9 \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0645\u0627\u0646\u0646\u062f \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0648 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0622\u0648\u06cc\u0632\u0627\u0646 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0633\u0647 \u0646\u0648\u0639 \u0627\u0635\u0644\u06cc \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f C++ \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f: std::unique_ptr\u060c std::shared_ptr\u060c \u0648 std::weak_ptr.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B4%D8%A7%D8%B1%D9%87_%DA%AF%D8%B1_%D9%87%D9%88%D8%B4%D9%85%D9%86%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0634\u06cc\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u062e\u0627\u0645 \u0631\u0627 \u0645\u06cc\u200c\u067e\u06cc\u0686\u062f \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u062d\u0627\u0641\u0638\u0647 \u0627\u0634\u0627\u0631\u0647\u200c\u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0627\u0634\u0627\u0631\u0647\u200c\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u0647 \u062e\u0627\u0631\u062c \u0645\u06cc \u0634\u0648\u062f\u060c \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0634\u06cc \u0627\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0632 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_std_unique_ptr\"><\/span>\n<p>  1. std::unique_ptr<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>std::unique_ptr \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0634\u06a9\u0644 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0633\u062a. \u0645\u0627\u0644\u06a9 \u0634\u06cc\u0626\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0647\u06cc\u0686 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u06cc\u06af\u0631\u06cc \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0645\u0627\u0646 \u0634\u06cc \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u0627\u0644\u06a9 \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u0634\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0627\u0628\u0639 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637\u06cc \u06a9\u0647 \u0645\u0627\u0644\u06a9\u06cc\u062a \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0634\u062a\u0647 \u0634\u0648\u062f \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight cpp\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\"><iostream\/><\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><memory\/><\/span><span class=\"cp\">\n<\/span>\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">unique_ptr<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">uniquePtr<\/span> <span class=\"o\">=<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">make_unique<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Unique pointer value: \"<\/span> <span class=\"o\"> <span class=\"o\">*<\/span><span class=\"n\">uniquePtr<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"c1\">\/\/ std::unique_ptr<int> anotherPtr = uniquePtr; \/\/ This will cause a compile-time error<\/int><\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">unique_ptr<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">anotherPtr<\/span> <span class=\"o\">=<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">move<\/span><span class=\"p\">(<\/span><span class=\"n\">uniquePtr<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Transfer ownership<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">uniquePtr<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"uniquePtr is now nullptr.\"<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<ul>\n<li>std::unique_ptr \u0627\u062c\u0627\u0632\u0647 \u06a9\u067e\u06cc \u0631\u0627 \u0646\u0645\u06cc \u062f\u0647\u062f \u0627\u0645\u0627 \u0627\u0632 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0648\u0627\u062d\u062f \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_std_shared_ptr\"><\/span>\n<p>  2. std::shared_ptr<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>std::shared_ptr \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0628\u0627 \u0634\u0645\u0627\u0631\u0634 \u0645\u0631\u062c\u0639 \u0627\u0633\u062a. \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 std::shared_ptr \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u06cc\u0621 \u0645\u0634\u0627\u0628\u0647 \u0628\u0627\u0634\u0646\u062f. \u0634\u06cc \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0628\u06cc\u0646 \u0645\u06cc \u0631\u0648\u062f \u06a9\u0647 \u0622\u062e\u0631\u06cc\u0646 std::shared_ptr \u06a9\u0647 \u0645\u0627\u0644\u06a9 \u0622\u0646 \u0627\u0633\u062a \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0631\u0648\u062f \u06cc\u0627 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight cpp\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\"><iostream\/><\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><memory\/><\/span><span class=\"cp\">\n<\/span>\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">shared_ptr<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">sharedPtr1<\/span> <span class=\"o\">=<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">make_shared<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"mi\">20<\/span><span class=\"p\">);<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">shared_ptr<\/span><span class=\"o\"><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">sharedPtr2<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sharedPtr1<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Shared ownership<\/span>\n\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Shared pointer value: \"<\/span> <span class=\"o\"> <span class=\"o\">*<\/span><span class=\"n\">sharedPtr1<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Reference count: \"<\/span> <span class=\"o\"> <span class=\"n\">sharedPtr1<\/span><span class=\"p\">.<\/span><span class=\"n\">use_count<\/span><span class=\"p\">()<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"n\">sharedPtr2<\/span><span class=\"p\">.<\/span><span class=\"n\">reset<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ Decrease reference count<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Reference count after reset: \"<\/span> <span class=\"o\"> <span class=\"n\">sharedPtr1<\/span><span class=\"p\">.<\/span><span class=\"n\">use_count<\/span><span class=\"p\">()<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<ul>\n<li>std::shared_ptr \u0627\u062c\u0627\u0632\u0647 \u0645\u0627\u0644\u06a9\u06cc\u062a \u0645\u0634\u062a\u0631\u06a9 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<li>\u062a\u0639\u062f\u0627\u062f \u0645\u0631\u0627\u062c\u0639 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062a\u0639\u062f\u0627\u062f \u0628\u0647 \u0635\u0641\u0631 \u0628\u0631\u0633\u062f\u060c \u0634\u06cc \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"3_std_weak_ptr\"><\/span>\n<p>  3. std::weak_ptr<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>std::weak_ptr \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0627\u0632 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0645\u0631\u0627\u062c\u0639 \u06a9\u0645\u06a9\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0631\u062c\u0627\u0639\u0627\u062a \u062f\u0627\u06cc\u0631\u0647 \u0627\u06cc \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0648 \u06cc\u0627 \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 std::shared_ptr \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc \u062f\u0647\u0646\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight cpp\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\"><iostream\/><\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><memory\/><\/span><span class=\"cp\">\n<\/span>\n<span class=\"k\">struct<\/span> <span class=\"nc\">Node<\/span> <span class=\"p\">{<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">shared_ptr<\/span><span class=\"o\"><span class=\"n\">Node<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">next<\/span><span class=\"p\">;<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">weak_ptr<\/span><span class=\"o\"><span class=\"n\">Node<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">prev<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Prevent circular reference<\/span>\n    <span class=\"kt\">int<\/span> <span class=\"n\">value<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"n\">Node<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">val<\/span><span class=\"p\">)<\/span> <span class=\"o\">:<\/span> <span class=\"n\">value<\/span><span class=\"p\">(<\/span><span class=\"n\">val<\/span><span class=\"p\">)<\/span> <span class=\"p\">{}<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">auto<\/span> <span class=\"n\">node1<\/span> <span class=\"o\">=<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">make_shared<\/span><span class=\"o\"><span class=\"n\">Node<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">auto<\/span> <span class=\"n\">node2<\/span> <span class=\"o\">=<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">make_shared<\/span><span class=\"o\"><span class=\"n\">Node<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"n\">node1<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">next<\/span> <span class=\"o\">=<\/span> <span class=\"n\">node2<\/span><span class=\"p\">;<\/span>\n    <span class=\"n\">node2<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">prev<\/span> <span class=\"o\">=<\/span> <span class=\"n\">node1<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ node2 has a weak reference to node1<\/span>\n\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Node1 value: \"<\/span> <span class=\"o\"> <span class=\"n\">node1<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">value<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n    <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\"> <span class=\"s\">\"Node2 value: \"<\/span> <span class=\"o\"> <span class=\"n\">node2<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">value<\/span> <span class=\"o\"> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/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>\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n<ul>\n<li>std::weak_ptr \u0627\u0632 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u0686\u0631\u062e\u0647 \u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0627\u063a\u0644\u0628 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 std::shared_ptr \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u062f\u0631 C++ \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u06cc\u0645\u0646 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u062d\u0627\u0641\u0638\u0647 \u067e\u0648\u06cc\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0628\u0627 \u062f\u0631\u06a9 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0635\u062d\u06cc\u062d \u0627\u0632 std::unique_ptr\u060c std::shared_ptr \u0648 std::weak_ptr\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u0645\u0627\u0646\u0646\u062f \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0648 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0622\u0648\u06cc\u0632\u0627\u0646 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0627\u062f\u063a\u0627\u0645 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc ++C \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u062a\u0645\u06cc\u0632\u062a\u0631\u060c \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u062f\u0631 C++ \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u062f\u0631 C++ \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0633\u06cc\u0627\u0631 \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0627 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0627\u0634\u06cc\u0627\u0621 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f. \u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647\u060c C++11 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631\u0647\u0627\u06cc \u0647\u0648\u0634\u0645\u0646\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0648 \u06a9\u0645\u06a9 \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc &hellip;<\/p>\n","protected":false},"author":2,"featured_media":74359,"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-74358","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\/74358","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=74358"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/74358\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/74359"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=74358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=74358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=74358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}