{"id":87219,"date":"2024-12-07T18:13:14","date_gmt":"2024-12-07T14:43:14","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/mastering-go-concurrency-essential-patterns-for-high-performance-systems-1ko6\/"},"modified":"2024-12-07T18:13:14","modified_gmt":"2024-12-07T14:43:14","slug":"mastering-go-concurrency-essential-patterns-for-high-performance-systems-1ko6","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/mastering-go-concurrency-essential-patterns-for-high-performance-systems-1ko6\/","title":{"rendered":"\u062a\u0633\u0644\u0637 \u0628\u0631 Go Concurrency: \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627"},"content":{"rendered":"

Summarize this content to 400 words in Persian Lang
\n \u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u062f\u0631 \u0642\u0644\u0628 \u0637\u0631\u0627\u062d\u06cc Go \u0627\u0633\u062a \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0627\u0646\u062a\u062e\u0627\u0628\u06cc \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0628\u0627 Go \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a\u060c \u062f\u0631\u06cc\u0627\u0641\u062a\u0647 \u0627\u0645 \u06a9\u0647 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n

\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645: \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0648 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627. \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0633\u0628\u06a9 \u0648\u0632\u0646\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 Go \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645. \u0627\u0632 \u0633\u0648\u06cc \u062f\u06cc\u06af\u0631\u060c \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0631\u0627\u0647\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0648 \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u0627\u062c\u0631\u0627\u06cc \u062e\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0648 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

func main() {
\n ch := make(chan int)
\n go func() {
\n ch <- 42
\n }()
\n result := <-ch
\n fmt.Println(result)
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0631\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0647 \u06a9\u0627\u0646\u0627\u0644 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 \u062a\u0627\u0628\u0639 \u0627\u0635\u0644\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n

\u06cc\u06a9\u06cc \u0627\u0632 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u0647\u0645\u0632\u0645\u0627\u0646\u06cc Go \u062f\u0633\u062a\u0648\u0631 select \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u06cc\u06a9 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062f\u0631 \u0686\u0646\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u06a9\u0627\u0646\u0627\u0644 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u0646\u062a\u0638\u0631 \u0628\u0645\u0627\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u062a:<\/p>\n

func main() {
\n ch1 := make(chan int)
\n ch2 := make(chan int)
\n go func() {
\n ch1 <- 42
\n }()
\n go func() {
\n ch2 <- 24
\n }()
\n select {
\n case v1 := <-ch1:
\n fmt.Println(“Received from ch1:”, v1)
\n case v2 := <-ch2:
\n fmt.Println(“Received from ch2:”, v2)
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 select \u0645\u0646\u062a\u0638\u0631 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 ch1 \u06cc\u0627 ch2 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0647\u0631 \u06a9\u062f\u0627\u0645 \u06a9\u0647 \u0632\u0648\u062f\u062a\u0631 \u0628\u06cc\u0627\u06cc\u062f. \u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a.<\/p>\n

\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631\u06cc \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c\u060c \u06af\u0631\u0648\u0647 \u06a9\u0627\u0631\u06af\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u0648\u0638\u0627\u06cc\u0641 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u0633\u062a:<\/p>\n

func worker(id int, jobs <-chan int, results chan<- int) {
\n for j := range jobs {
\n fmt.Printf(“Worker %d processing job %d\\n”, id, j)
\n time.Sleep(time.Second) \/\/ Simulate work
\n results <- j * 2
\n }
\n}<\/p>\n

func main() {
\n jobs := make(chan int, 100)
\n results := make(chan int, 100)<\/p>\n

for w := 1; w <= 3; w++ {
\n go worker(w, jobs, results)
\n }<\/p>\n

for j := 1; j <= 9; j++ {
\n jobs <- j
\n }
\n close(jobs)<\/p>\n

for a := 1; a <= 9; a++ {
\n <-results
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u0627 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0633\u0647 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u06a9\u0627\u0631\u06af\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06a9\u0627\u0631\u0647\u0627\u06cc \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0631\u0627 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u06a9\u0627\u0631 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u0647 \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0627\u0631\u0622\u0645\u062f \u0648\u0638\u0627\u06cc\u0641 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a.<\/p>\n

\u0627\u0644\u06af\u0648\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u062f\u06cc\u06af\u0631 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0633\u0631\u06cc \u0645\u0631\u0627\u062d\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627\u06cc\u06cc \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0634\u0627\u0628\u0647\u06cc \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u062a:<\/p>\n

func gen(nums …int) <-chan int {
\n out := make(chan int)
\n go func() {
\n for _, n := range nums {
\n out <- n
\n }
\n close(out)
\n }()
\n return out
\n}<\/p>\n

func sq(in <-chan int) <-chan int {
\n out := make(chan int)
\n go func() {
\n for n := range in {
\n out <- n * n
\n }
\n close(out)
\n }()
\n return out
\n}<\/p>\n

func main() {
\n c := gen(2, 3)
\n out := sq(c)<\/p>\n

fmt.Println(<-out)
\n fmt.Println(<-out)
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u0631\u0628\u0639 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f. \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u0627\u0632 \u062e\u0637 \u0644\u0648\u0644\u0647 \u062f\u0631 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u062e\u0627\u0635 \u062e\u0648\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

\u0627\u0644\u06af\u0648\u06cc fan-out\/fan-in \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0627\u0632 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0645\u06cc \u062e\u0648\u0627\u0646\u06cc\u0645 \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u0645\u0627\u0646 \u0628\u0631\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

func fanOut(in <-chan int, n int) []<-chan int {
\n outs := make([]<-chan int, n)
\n for i := 0; i < n; i++ {
\n outs[i] = make(chan int)
\n go func(ch chan<- int) {
\n for v := range in {
\n ch <- v * v
\n }
\n close(ch)
\n }(outs[i])
\n }
\n return outs
\n}<\/p>\n

func fanIn(chans …<-chan int) <-chan int {
\n out := make(chan int)
\n var wg sync.WaitGroup
\n wg.Add(len(chans))
\n for _, ch := range chans {
\n go func(c <-chan int) {
\n for v := range c {
\n out <- v
\n }
\n wg.Done()
\n }(ch)
\n }
\n go func() {
\n wg.Wait()
\n close(out)
\n }()
\n return out
\n}<\/p>\n

func main() {
\n in := gen(1, 2, 3, 4, 5)
\n chans := fanOut(in, 3)
\n out := fanIn(chans…)<\/p>\n

for v := range out {
\n fmt.Println(v)
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u062a\u0648\u0632\u06cc\u0639 \u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0648\u0627\u062d\u062f \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n

\u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0647\u0627 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0641\u0627\u06a9\u062a\u0648\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0627\u0648\u0644\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u0645. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0633\u0628\u06a9 \u0648\u0632\u0646 \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u06cc\u062c\u0627\u062f \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0648 \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc \u0633\u0631\u0628\u0627\u0631 \u0634\u0648\u062f.<\/p>\n

\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0645\u0631\u0627\u0642\u0628 \u0628\u0646 \u0628\u0633\u062a \u0647\u0627\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0628\u0627\u0634\u06cc\u0645. \u0647\u0645\u06cc\u0634\u0647 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0631\u0633\u0627\u0644 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u0631\u0628\u0648\u0637\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0646\u0627\u0644\u200c\u0647\u0627\u06cc \u0628\u0627\u0641\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627 \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0645\u0633\u062f\u0648\u062f \u0634\u062f\u0646 \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u06af\u0648\u0631\u0648\u062a\u06cc\u0646\u200c\u0647\u0627 \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n

\u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646 \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u062a\u0648\u062c\u0647 \u0648\u06cc\u0698\u0647 \u0627\u0633\u062a. \u06cc\u06a9 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u062e\u0637\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u0627\u0633\u062a:<\/p>\n

func worker(jobs <-chan int, results chan<- int, errs chan<- error) {
\n for j := range jobs {
\n if j%2 == 0 {
\n results <- j * 2
\n } else {
\n errs <- fmt.Errorf(“odd number: %d”, j)
\n }
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u062f\u0648\u0646 \u0645\u0633\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627\u06cc \u06a9\u0627\u0631\u06af\u0631\u060c \u062e\u0637\u0627\u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u0645.<\/p>\n

\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0647\u0645 \u062f\u06cc\u06af\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 mutexes \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0645\u0646\u0627\u0628\u0639 \u0645\u0634\u062a\u0631\u06a9 \u0627\u0633\u062a. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0631\u0627\u0647 \u0627\u0631\u062c\u062d \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f\u060c mutexe \u0647\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0636\u0631\u0648\u0631\u06cc \u0647\u0633\u062a\u0646\u062f:<\/p>\n

type SafeCounter struct {
\n mu sync.Mutex
\n v map[string]int
\n}<\/p>\n

func (c *SafeCounter) Inc(key string) {
\n c.mu.Lock()
\n c.v[key]++
\n c.mu.Unlock()
\n}<\/p>\n

func (c *SafeCounter) Value(key string) int {
\n c.mu.Lock()
\n defer c.mu.Unlock()
\n return c.v[key]\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 SafeCounter \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u062e\u06cc\u0627\u0644 \u0631\u0627\u062d\u062a \u062a\u0648\u0633\u0637 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n

\u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u0627\u063a\u0644\u0628 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u062a\u0639\u062f\u0627\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u062d\u062f\u0648\u062f \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u0644\u06af\u0648\u06cc \u0633\u0645\u0627\u0641\u0648\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n

func main() {
\n const maxConcurrent = 3
\n sem := make(chan struct{}, maxConcurrent)<\/p>\n

for i := 0; i < 1000; i++ {
\n sem <- struct{}{}
\n go func(i int) {
\n defer func() { <-sem }()
\n \/\/ Do some work
\n fmt.Println(“Processing”, i)
\n time.Sleep(time.Second)
\n }(i)
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0645\u0639\u06cc\u0646\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a maxConcurrent \u0627\u062c\u0631\u0627 \u0646\u0645\u06cc \u0634\u0648\u062f.<\/p>\n

\u0627\u0644\u06af\u0648\u06cc \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a\u060c \u0642\u0637\u0639 \u06a9\u0646\u0646\u062f\u0647 \u0645\u062f\u0627\u0631 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062e\u0631\u0627\u0628\u06cc \u0647\u0627\u06cc \u0622\u0628\u0634\u0627\u0631\u06cc \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u06a9\u0645\u06a9 \u06a9\u0646\u062f:<\/p>\n

type CircuitBreaker struct {
\n mu sync.Mutex
\n failureCount int
\n maxFailures int
\n reset time.Duration
\n lastFailure time.Time
\n}<\/p>\n

func (cb *CircuitBreaker) Execute(work func() error) error {
\n cb.mu.Lock()
\n if cb.failureCount >= cb.maxFailures && time.Since(cb.lastFailure) < cb.reset {
\n cb.mu.Unlock()
\n return fmt.Errorf(“circuit breaker is open”)
\n }
\n cb.mu.Unlock()<\/p>\n

err := work()
\n if err != nil {
\n cb.mu.Lock()
\n cb.failureCount++
\n cb.lastFailure = time.Now()
\n cb.mu.Unlock()
\n return err
\n }<\/p>\n

cb.mu.Lock()
\n cb.failureCount = 0
\n cb.mu.Unlock()
\n return nil
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 CircuitBreaker \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc \u0628\u0627\u0644\u0642\u0648\u0647 \u0646\u0627\u0645\u0648\u0641\u0642 \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062a\u0644\u0627\u0634 \u0647\u0627\u06cc \u0645\u06a9\u0631\u0631 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u062d\u062a \u0641\u0634\u0627\u0631 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n

\u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u062f\u062a\u060c \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0644\u063a\u0648 \u06a9\u0646\u06cc\u062f. \u0628\u0633\u062a\u0647 \u0645\u062a\u0646\u06cc Go \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a:<\/p>\n

func longRunningOperation(ctx context.Context) error {
\n for {
\n select {
\n case <-ctx.Done():
\n return ctx.Err()
\n default:
\n \/\/ Do some work
\n }
\n }
\n}<\/p>\n

func main() {
\n ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
\n defer cancel()<\/p>\n

err := longRunningOperation(ctx)
\n if err != nil {
\n fmt.Println(“Operation failed:”, err)
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u06af\u0631 \u062e\u06cc\u0644\u06cc \u0637\u0648\u0644 \u0628\u06a9\u0634\u062f \u06cc\u0627 \u0627\u06af\u0631 \u062a\u0635\u0645\u06cc\u0645 \u0628\u0647 \u0644\u063a\u0648 \u062e\u0627\u0631\u062c\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u0627 \u0645\u062a\u0648\u0642\u0641 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n

\u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u0627\u063a\u0644\u0628 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u06a9\u0647 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n

func processStream(stream <-chan int) <-chan int {
\n out := make(chan int)
\n go func() {
\n defer close(out)
\n for v := range stream {
\n out <- process(v)
\n }
\n }()
\n return out
\n}<\/p>\n

func process(v int) int {
\n \/\/ Some CPU-intensive operation
\n return v * v
\n}<\/p>\n

func main() {
\n stream := make(chan int)
\n go func() {
\n for i := 0; i < 1000; i++ {
\n stream <- i
\n }
\n close(stream)
\n }()<\/p>\n

results := processStream(stream)
\n for r := range results {
\n fmt.Println(r)
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062c\u0631\u06cc\u0627\u0646\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0647\u0633\u062a\u0647 CPU \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n

\u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a\u0646 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u062f\u0631 Go\u060c \u062a\u0639\u06cc\u06cc\u0646 \u0645\u0634\u062e\u0635\u0627\u062a \u06a9\u062f \u062e\u0648\u062f \u0628\u0631\u0627\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u062a\u0646\u06af\u0646\u0627\u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. Go \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u062f\u0627\u062e\u0644\u06cc \u0639\u0627\u0644\u06cc \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n

import _ “net\/http\/pprof”<\/p>\n

func main() {
\n go func() {
\n log.Println(http.ListenAndServe(“localhost:6060”, nil))
\n }()<\/p>\n

\/\/ Your main program logic here
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 pprof \u0631\u0627 \u0641\u0639\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 http:\/\/localhost:6060\/debug\/pprof\/ \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n

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\u0645\u062e\u0644\u0648\u0642\u0627\u062a \u0645\u0627<\/p>\n

\u062d\u062a\u0645\u0627\u064b \u062e\u0644\u0627\u0642\u06cc\u062a \u0647\u0627\u06cc \u0645\u0627 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n

\u0645\u0631\u06a9\u0632 \u0633\u0631\u0645\u0627\u06cc\u0647 \u06af\u0630\u0627\u0631 | \u0632\u0646\u062f\u06af\u06cc \u0647\u0648\u0634\u0645\u0646\u062f | \u062f\u0648\u0631\u0647 \u0647\u0627 \u0648 \u067e\u0698\u0648\u0627\u06a9 \u0647\u0627 | \u0627\u0633\u0631\u0627\u0631 \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 | \u0647\u0646\u062f\u0648\u062a\u0648\u0627 | Elite Dev | \u0645\u062f\u0627\u0631\u0633 JS<\/p>\n

\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644\u062a \u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0647\u0633\u062a\u06cc\u0645<\/p>\n

\u0628\u06cc\u0646\u0634 \u06a9\u0648\u0622\u0644\u0627\u06cc \u0641\u0646\u06cc | \u062f\u0648\u0631\u0627\u0646 \u0648 \u067e\u0698\u0648\u0627\u06a9 \u062c\u0647\u0627\u0646 | \u0633\u0631\u0645\u0627\u06cc\u0647 \u06af\u0630\u0627\u0631 \u0645\u0631\u06a9\u0632\u06cc \u0645\u062a\u0648\u0633\u0637 | \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u0631\u0627\u0631 \u0631\u0633\u0627\u0646\u0647 | \u0631\u0633\u0627\u0646\u0647 \u0639\u0644\u0645 \u0648 \u0639\u0635\u0631 | \u0647\u0646\u062f\u0648\u062a\u0648\u0627\u06cc \u0645\u062f\u0631\u0646<\/p>\n

\n

\u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u062f\u0631 \u0642\u0644\u0628 \u0637\u0631\u0627\u062d\u06cc Go \u0627\u0633\u062a \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0627\u0646\u062a\u062e\u0627\u0628\u06cc \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0628\u0627 Go \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a\u060c \u062f\u0631\u06cc\u0627\u0641\u062a\u0647 \u0627\u0645 \u06a9\u0647 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n

\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645: \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0648 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627. \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0633\u0628\u06a9 \u0648\u0632\u0646\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 Go \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645. \u0627\u0632 \u0633\u0648\u06cc \u062f\u06cc\u06af\u0631\u060c \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0631\u0627\u0647\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0648 \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u0627\u062c\u0631\u0627\u06cc \u062e\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0648 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

\n
func<\/span> main<\/span>()<\/span> {<\/span>\n    ch<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        ch<\/span> <-<\/span> 42<\/span>\n    }()<\/span>\n    result<\/span> :=<\/span> <-<\/span>ch<\/span>\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>result<\/span>)<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0631\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0647 \u06a9\u0627\u0646\u0627\u0644 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 \u062a\u0627\u0628\u0639 \u0627\u0635\u0644\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n
\u06cc\u06a9\u06cc \u0627\u0632 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u0647\u0645\u0632\u0645\u0627\u0646\u06cc Go \u062f\u0633\u062a\u0648\u0631 select \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u06cc\u06a9 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062f\u0631 \u0686\u0646\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u06a9\u0627\u0646\u0627\u0644 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u0646\u062a\u0638\u0631 \u0628\u0645\u0627\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> main<\/span>()<\/span> {<\/span>\n    ch1<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    ch2<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        ch1<\/span> <-<\/span> 42<\/span>\n    }()<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        ch2<\/span> <-<\/span> 24<\/span>\n    }()<\/span>\n    select<\/span> {<\/span>\n    case<\/span> v1<\/span> :=<\/span> <-<\/span>ch1<\/span>:<\/span>\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Received from ch1:\"<\/span>,<\/span> v1<\/span>)<\/span>\n    case<\/span> v2<\/span> :=<\/span> <-<\/span>ch2<\/span>:<\/span>\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Received from ch2:\"<\/span>,<\/span> v2<\/span>)<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 select \u0645\u0646\u062a\u0638\u0631 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 ch1 \u06cc\u0627 ch2 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0647\u0631 \u06a9\u062f\u0627\u0645 \u06a9\u0647 \u0632\u0648\u062f\u062a\u0631 \u0628\u06cc\u0627\u06cc\u062f. \u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a.<\/p>\n
\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631\u06cc \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c\u060c \u06af\u0631\u0648\u0647 \u06a9\u0627\u0631\u06af\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u0648\u0638\u0627\u06cc\u0641 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> worker<\/span>(<\/span>id<\/span> int<\/span>,<\/span> jobs<\/span> <-<\/span>chan<\/span> int<\/span>,<\/span> results<\/span> chan<\/span><-<\/span> int<\/span>)<\/span> {<\/span>\n    for<\/span> j<\/span> :=<\/span> range<\/span> jobs<\/span> {<\/span>\n        fmt<\/span>.<\/span>Printf<\/span>(<\/span>\"Worker %d processing job %d<\/span>\\n<\/span>\"<\/span>,<\/span> id<\/span>,<\/span> j<\/span>)<\/span>\n        time<\/span>.<\/span>Sleep<\/span>(<\/span>time<\/span>.<\/span>Second<\/span>)<\/span> \/\/ Simulate work<\/span>\n        results<\/span> <-<\/span> j<\/span> *<\/span> 2<\/span>\n    }<\/span>\n}<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    jobs<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>,<\/span> 100<\/span>)<\/span>\n    results<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>,<\/span> 100<\/span>)<\/span>\n\n    for<\/span> w<\/span> :=<\/span> 1<\/span>;<\/span> w<\/span> <=<\/span> 3<\/span>;<\/span> w<\/span>++<\/span> {<\/span>\n        go<\/span> worker<\/span>(<\/span>w<\/span>,<\/span> jobs<\/span>,<\/span> results<\/span>)<\/span>\n    }<\/span>\n\n    for<\/span> j<\/span> :=<\/span> 1<\/span>;<\/span> j<\/span> <=<\/span> 9<\/span>;<\/span> j<\/span>++<\/span> {<\/span>\n        jobs<\/span> <-<\/span> j<\/span>\n    }<\/span>\n    close<\/span>(<\/span>jobs<\/span>)<\/span>\n\n    for<\/span> a<\/span> :=<\/span> 1<\/span>;<\/span> a<\/span> <=<\/span> 9<\/span>;<\/span> a<\/span>++<\/span> {<\/span>\n        <-<\/span>results<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u0627 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0633\u0647 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u06a9\u0627\u0631\u06af\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06a9\u0627\u0631\u0647\u0627\u06cc \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0631\u0627 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u06a9\u0627\u0631 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u0647 \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0627\u0631\u0622\u0645\u062f \u0648\u0638\u0627\u06cc\u0641 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a.<\/p>\n
\u0627\u0644\u06af\u0648\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u062f\u06cc\u06af\u0631 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0633\u0631\u06cc \u0645\u0631\u0627\u062d\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627\u06cc\u06cc \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0634\u0627\u0628\u0647\u06cc \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> gen<\/span>(<\/span>nums<\/span> ...<\/span>int<\/span>)<\/span> <-<\/span>chan<\/span> int<\/span> {<\/span>\n    out<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        for<\/span> _<\/span>,<\/span> n<\/span> :=<\/span> range<\/span> nums<\/span> {<\/span>\n            out<\/span> <-<\/span> n<\/span>\n        }<\/span>\n        close<\/span>(<\/span>out<\/span>)<\/span>\n    }()<\/span>\n    return<\/span> out<\/span>\n}<\/span>\n\nfunc<\/span> sq<\/span>(<\/span>in<\/span> <-<\/span>chan<\/span> int<\/span>)<\/span> <-<\/span>chan<\/span> int<\/span> {<\/span>\n    out<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        for<\/span> n<\/span> :=<\/span> range<\/span> in<\/span> {<\/span>\n            out<\/span> <-<\/span> n<\/span> *<\/span> n<\/span>\n        }<\/span>\n        close<\/span>(<\/span>out<\/span>)<\/span>\n    }()<\/span>\n    return<\/span> out<\/span>\n}<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    c<\/span> :=<\/span> gen<\/span>(<\/span>2<\/span>,<\/span> 3<\/span>)<\/span>\n    out<\/span> :=<\/span> sq<\/span>(<\/span>c<\/span>)<\/span>\n\n    fmt<\/span>.<\/span>Println<\/span>(<\/span><-<\/span>out<\/span>)<\/span>\n    fmt<\/span>.<\/span>Println<\/span>(<\/span><-<\/span>out<\/span>)<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u0631\u0628\u0639 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f. \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u0627\u0632 \u062e\u0637 \u0644\u0648\u0644\u0647 \u062f\u0631 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u062e\u0627\u0635 \u062e\u0648\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n
\u0627\u0644\u06af\u0648\u06cc fan-out\/fan-in \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0627\u0632 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0645\u06cc \u062e\u0648\u0627\u0646\u06cc\u0645 \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u0645\u0627\u0646 \u0628\u0631\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> fanOut<\/span>(<\/span>in<\/span> <-<\/span>chan<\/span> int<\/span>,<\/span> n<\/span> int<\/span>)<\/span> []<\/span><-<\/span>chan<\/span> int<\/span> {<\/span>\n    outs<\/span> :=<\/span> make<\/span>([]<\/span><-<\/span>chan<\/span> int<\/span>,<\/span> n<\/span>)<\/span>\n    for<\/span> i<\/span> :=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> n<\/span>;<\/span> i<\/span>++<\/span> {<\/span>\n        outs<\/span>[<\/span>i<\/span>]<\/span> =<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n        go<\/span> func<\/span>(<\/span>ch<\/span> chan<\/span><-<\/span> int<\/span>)<\/span> {<\/span>\n            for<\/span> v<\/span> :=<\/span> range<\/span> in<\/span> {<\/span>\n                ch<\/span> <-<\/span> v<\/span> *<\/span> v<\/span>\n            }<\/span>\n            close<\/span>(<\/span>ch<\/span>)<\/span>\n        }(<\/span>outs<\/span>[<\/span>i<\/span>])<\/span>\n    }<\/span>\n    return<\/span> outs<\/span>\n}<\/span>\n\nfunc<\/span> fanIn<\/span>(<\/span>chans<\/span> ...<-<\/span>chan<\/span> int<\/span>)<\/span> <-<\/span>chan<\/span> int<\/span> {<\/span>\n    out<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    var<\/span> wg<\/span> sync<\/span>.<\/span>WaitGroup<\/span>\n    wg<\/span>.<\/span>Add<\/span>(<\/span>len<\/span>(<\/span>chans<\/span>))<\/span>\n    for<\/span> _<\/span>,<\/span> ch<\/span> :=<\/span> range<\/span> chans<\/span> {<\/span>\n        go<\/span> func<\/span>(<\/span>c<\/span> <-<\/span>chan<\/span> int<\/span>)<\/span> {<\/span>\n            for<\/span> v<\/span> :=<\/span> range<\/span> c<\/span> {<\/span>\n                out<\/span> <-<\/span> v<\/span>\n            }<\/span>\n            wg<\/span>.<\/span>Done<\/span>()<\/span>\n        }(<\/span>ch<\/span>)<\/span>\n    }<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        wg<\/span>.<\/span>Wait<\/span>()<\/span>\n        close<\/span>(<\/span>out<\/span>)<\/span>\n    }()<\/span>\n    return<\/span> out<\/span>\n}<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    in<\/span> :=<\/span> gen<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>)<\/span>\n    chans<\/span> :=<\/span> fanOut<\/span>(<\/span>in<\/span>,<\/span> 3<\/span>)<\/span>\n    out<\/span> :=<\/span> fanIn<\/span>(<\/span>chans<\/span>...<\/span>)<\/span>\n\n    for<\/span> v<\/span> :=<\/span> range<\/span> out<\/span> {<\/span>\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>v<\/span>)<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u062a\u0648\u0632\u06cc\u0639 \u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u0648\u0627\u062d\u062f \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0647\u0627 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0641\u0627\u06a9\u062a\u0648\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0627\u0648\u0644\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u0645. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0633\u0628\u06a9 \u0648\u0632\u0646 \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u06cc\u062c\u0627\u062f \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0648 \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc \u0633\u0631\u0628\u0627\u0631 \u0634\u0648\u062f.<\/p>\n
\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0645\u0631\u0627\u0642\u0628 \u0628\u0646 \u0628\u0633\u062a \u0647\u0627\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0628\u0627\u0634\u06cc\u0645. \u0647\u0645\u06cc\u0634\u0647 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0631\u0633\u0627\u0644 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u0631\u0628\u0648\u0637\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0646\u0627\u0644\u200c\u0647\u0627\u06cc \u0628\u0627\u0641\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627 \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0645\u0633\u062f\u0648\u062f \u0634\u062f\u0646 \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u06af\u0648\u0631\u0648\u062a\u06cc\u0646\u200c\u0647\u0627 \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n
\u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0647\u0645\u0632\u0645\u0627\u0646 \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u062a\u0648\u062c\u0647 \u0648\u06cc\u0698\u0647 \u0627\u0633\u062a. \u06cc\u06a9 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0627\u0646\u0627\u0644 \u062e\u0637\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> worker<\/span>(<\/span>jobs<\/span> <-<\/span>chan<\/span> int<\/span>,<\/span> results<\/span> chan<\/span><-<\/span> int<\/span>,<\/span> errs<\/span> chan<\/span><-<\/span> error<\/span>)<\/span> {<\/span>\n    for<\/span> j<\/span> :=<\/span> range<\/span> jobs<\/span> {<\/span>\n        if<\/span> j<\/span>%<\/span>2<\/span> ==<\/span> 0<\/span> {<\/span>\n            results<\/span> <-<\/span> j<\/span> *<\/span> 2<\/span>\n        }<\/span> else<\/span> {<\/span>\n            errs<\/span> <-<\/span> fmt<\/span>.<\/span>Errorf<\/span>(<\/span>\"odd number: %d\"<\/span>,<\/span> j<\/span>)<\/span>\n        }<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u062f\u0648\u0646 \u0645\u0633\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627\u06cc \u06a9\u0627\u0631\u06af\u0631\u060c \u062e\u0637\u0627\u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u0645.<\/p>\n
\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0647\u0645 \u062f\u06cc\u06af\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 mutexes \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0645\u0646\u0627\u0628\u0639 \u0645\u0634\u062a\u0631\u06a9 \u0627\u0633\u062a. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06a9\u0627\u0646\u0627\u0644 \u0647\u0627 \u0631\u0627\u0647 \u0627\u0631\u062c\u062d \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f\u060c mutexe \u0647\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0636\u0631\u0648\u0631\u06cc \u0647\u0633\u062a\u0646\u062f:<\/p>\n
\n
type<\/span> SafeCounter<\/span> struct<\/span> {<\/span>\n    mu<\/span> sync<\/span>.<\/span>Mutex<\/span>\n    v<\/span>  map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>\n}<\/span>\n\nfunc<\/span> (<\/span>c<\/span> *<\/span>SafeCounter<\/span>)<\/span> Inc<\/span>(<\/span>key<\/span> string<\/span>)<\/span> {<\/span>\n    c<\/span>.<\/span>mu<\/span>.<\/span>Lock<\/span>()<\/span>\n    c<\/span>.<\/span>v<\/span>[<\/span>key<\/span>]<\/span>++<\/span>\n    c<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n}<\/span>\n\nfunc<\/span> (<\/span>c<\/span> *<\/span>SafeCounter<\/span>)<\/span> Value<\/span>(<\/span>key<\/span> string<\/span>)<\/span> int<\/span> {<\/span>\n    c<\/span>.<\/span>mu<\/span>.<\/span>Lock<\/span>()<\/span>\n    defer<\/span> c<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n    return<\/span> c<\/span>.<\/span>v<\/span>[<\/span>key<\/span>]<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 SafeCounter \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u062e\u06cc\u0627\u0644 \u0631\u0627\u062d\u062a \u062a\u0648\u0633\u0637 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u0627\u063a\u0644\u0628 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u062a\u0639\u062f\u0627\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u062d\u062f\u0648\u062f \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u0644\u06af\u0648\u06cc \u0633\u0645\u0627\u0641\u0648\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n
\n
func<\/span> main<\/span>()<\/span> {<\/span>\n    const<\/span> maxConcurrent<\/span> =<\/span> 3<\/span>\n    sem<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> struct<\/span>{},<\/span> maxConcurrent<\/span>)<\/span>\n\n    for<\/span> i<\/span> :=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 1000<\/span>;<\/span> i<\/span>++<\/span> {<\/span>\n        sem<\/span> <-<\/span> struct<\/span>{}{}<\/span>\n        go<\/span> func<\/span>(<\/span>i<\/span> int<\/span>)<\/span> {<\/span>\n            defer<\/span> func<\/span>()<\/span> {<\/span> <-<\/span>sem<\/span> }()<\/span>\n            \/\/ Do some work<\/span>\n            fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Processing\"<\/span>,<\/span> i<\/span>)<\/span>\n            time<\/span>.<\/span>Sleep<\/span>(<\/span>time<\/span>.<\/span>Second<\/span>)<\/span>\n        }(<\/span>i<\/span>)<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0645\u0639\u06cc\u0646\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a maxConcurrent \u0627\u062c\u0631\u0627 \u0646\u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u0627\u0644\u06af\u0648\u06cc \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a\u060c \u0642\u0637\u0639 \u06a9\u0646\u0646\u062f\u0647 \u0645\u062f\u0627\u0631 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062e\u0631\u0627\u0628\u06cc \u0647\u0627\u06cc \u0622\u0628\u0634\u0627\u0631\u06cc \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u06a9\u0645\u06a9 \u06a9\u0646\u062f:<\/p>\n
\n
type<\/span> CircuitBreaker<\/span> struct<\/span> {<\/span>\n    mu<\/span>           sync<\/span>.<\/span>Mutex<\/span>\n    failureCount<\/span> int<\/span>\n    maxFailures<\/span>  int<\/span>\n    reset<\/span>        time<\/span>.<\/span>Duration<\/span>\n    lastFailure<\/span>  time<\/span>.<\/span>Time<\/span>\n}<\/span>\n\nfunc<\/span> (<\/span>cb<\/span> *<\/span>CircuitBreaker<\/span>)<\/span> Execute<\/span>(<\/span>work<\/span> func<\/span>()<\/span> error<\/span>)<\/span> error<\/span> {<\/span>\n    cb<\/span>.<\/span>mu<\/span>.<\/span>Lock<\/span>()<\/span>\n    if<\/span> cb<\/span>.<\/span>failureCount<\/span> >=<\/span> cb<\/span>.<\/span>maxFailures<\/span> &&<\/span> time<\/span>.<\/span>Since<\/span>(<\/span>cb<\/span>.<\/span>lastFailure<\/span>)<\/span> <<\/span> cb<\/span>.<\/span>reset<\/span> {<\/span>\n        cb<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n        return<\/span> fmt<\/span>.<\/span>Errorf<\/span>(<\/span>\"circuit breaker is open\"<\/span>)<\/span>\n    }<\/span>\n    cb<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n\n    err<\/span> :=<\/span> work<\/span>()<\/span>\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\n        cb<\/span>.<\/span>mu<\/span>.<\/span>Lock<\/span>()<\/span>\n        cb<\/span>.<\/span>failureCount<\/span>++<\/span>\n        cb<\/span>.<\/span>lastFailure<\/span> =<\/span> time<\/span>.<\/span>Now<\/span>()<\/span>\n        cb<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n        return<\/span> err<\/span>\n    }<\/span>\n\n    cb<\/span>.<\/span>mu<\/span>.<\/span>Lock<\/span>()<\/span>\n    cb<\/span>.<\/span>failureCount<\/span> =<\/span> 0<\/span>\n    cb<\/span>.<\/span>mu<\/span>.<\/span>Unlock<\/span>()<\/span>\n    return<\/span> nil<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 CircuitBreaker \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc \u0628\u0627\u0644\u0642\u0648\u0647 \u0646\u0627\u0645\u0648\u0641\u0642 \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062a\u0644\u0627\u0634 \u0647\u0627\u06cc \u0645\u06a9\u0631\u0631 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u062d\u062a \u0641\u0634\u0627\u0631 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u062f\u062a\u060c \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0644\u063a\u0648 \u06a9\u0646\u06cc\u062f. \u0628\u0633\u062a\u0647 \u0645\u062a\u0646\u06cc Go \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a:<\/p>\n
\n
func<\/span> longRunningOperation<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>)<\/span> error<\/span> {<\/span>\n    for<\/span> {<\/span>\n        select<\/span> {<\/span>\n        case<\/span> <-<\/span>ctx<\/span>.<\/span>Done<\/span>()<\/span>:<\/span>\n            return<\/span> ctx<\/span>.<\/span>Err<\/span>()<\/span>\n        default<\/span>:<\/span>\n            \/\/ Do some work<\/span>\n        }<\/span>\n    }<\/span>\n}<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    ctx<\/span>,<\/span> cancel<\/span> :=<\/span> context<\/span>.<\/span>WithTimeout<\/span>(<\/span>context<\/span>.<\/span>Background<\/span>(),<\/span> 5<\/span>*<\/span>time<\/span>.<\/span>Second<\/span>)<\/span>\n    defer<\/span> cancel<\/span>()<\/span>\n\n    err<\/span> :=<\/span> longRunningOperation<\/span>(<\/span>ctx<\/span>)<\/span>\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Operation failed:\"<\/span>,<\/span> err<\/span>)<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u06af\u0631 \u062e\u06cc\u0644\u06cc \u0637\u0648\u0644 \u0628\u06a9\u0634\u062f \u06cc\u0627 \u0627\u06af\u0631 \u062a\u0635\u0645\u06cc\u0645 \u0628\u0647 \u0644\u063a\u0648 \u062e\u0627\u0631\u062c\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u0627 \u0645\u062a\u0648\u0642\u0641 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n
\u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627\u060c \u0627\u063a\u0644\u0628 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u06a9\u0647 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n
\n
func<\/span> processStream<\/span>(<\/span>stream<\/span> <-<\/span>chan<\/span> int<\/span>)<\/span> <-<\/span>chan<\/span> int<\/span> {<\/span>\n    out<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        defer<\/span> close<\/span>(<\/span>out<\/span>)<\/span>\n        for<\/span> v<\/span> :=<\/span> range<\/span> stream<\/span> {<\/span>\n            out<\/span> <-<\/span> process<\/span>(<\/span>v<\/span>)<\/span>\n        }<\/span>\n    }()<\/span>\n    return<\/span> out<\/span>\n}<\/span>\n\nfunc<\/span> process<\/span>(<\/span>v<\/span> int<\/span>)<\/span> int<\/span> {<\/span>\n    \/\/ Some CPU-intensive operation<\/span>\n    return<\/span> v<\/span> *<\/span> v<\/span>\n}<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    stream<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> int<\/span>)<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        for<\/span> i<\/span> :=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 1000<\/span>;<\/span> i<\/span>++<\/span> {<\/span>\n            stream<\/span> <-<\/span> i<\/span>\n        }<\/span>\n        close<\/span>(<\/span>stream<\/span>)<\/span>\n    }()<\/span>\n\n    results<\/span> :=<\/span> processStream<\/span>(<\/span>stream<\/span>)<\/span>\n    for<\/span> r<\/span> :=<\/span> range<\/span> results<\/span> {<\/span>\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>r<\/span>)<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062c\u0631\u06cc\u0627\u0646\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0647\u0633\u062a\u0647 CPU \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a\u0646 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u062f\u0631 Go\u060c \u062a\u0639\u06cc\u06cc\u0646 \u0645\u0634\u062e\u0635\u0627\u062a \u06a9\u062f \u062e\u0648\u062f \u0628\u0631\u0627\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u062a\u0646\u06af\u0646\u0627\u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. Go \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u062f\u0627\u062e\u0644\u06cc \u0639\u0627\u0644\u06cc \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n
\n
import<\/span> _<\/span> \"net\/http\/pprof\"<\/span>\n\nfunc<\/span> main<\/span>()<\/span> {<\/span>\n    go<\/span> func<\/span>()<\/span> {<\/span>\n        log<\/span>.<\/span>Println<\/span>(<\/span>http<\/span>.<\/span>ListenAndServe<\/span>(<\/span>\"localhost:6060\"<\/span>,<\/span> nil<\/span>))<\/span>\n    }()<\/span>\n\n    \/\/ Your main program logic here<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 pprof \u0631\u0627 \u0641\u0639\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 http:\/\/localhost:6060\/debug\/pprof\/ \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n
\u062f\u0631 \u0646\u062a\u06cc\u062c\u0647\u060c \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0648 \u0647\u0645\u0632\u0645\u0627\u0646\u06cc Go \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0646 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06af\u0648\u0631\u0648\u062a\u06cc\u0646\u200c\u0647\u0627\u060c \u06a9\u0627\u0646\u0627\u0644\u200c\u0647\u0627 \u0648 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u062e\u0631\u0647\u0627\u06cc \u06a9\u0627\u0631\u06af\u0631\u060c \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647\u060c \u0648 \u0641\u0646 \u062e\u0631\u0648\u062c\u06cc\/\u0641\u0646 \u0648\u0631\u0648\u062f\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627 \u0639\u0627\u0642\u0644\u0627\u0646\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0647\u0645\u06cc\u0634\u0647 \u0639\u0648\u0627\u0645\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0648 \u0634\u0631\u0627\u06cc\u0637 \u0628\u0627\u0644\u0642\u0648\u0647 \u0645\u0633\u0627\u0628\u0642\u0647 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0628\u0627 \u0637\u0631\u0627\u062d\u06cc \u062f\u0642\u06cc\u0642 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0627\u0645\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0642\u062f\u0631\u062a \u06a9\u0627\u0645\u0644 \u0645\u062f\u0644 \u0647\u0645\u0632\u0645\u0627\u0646\u06cc Go \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0642\u0648\u06cc \u0648 \u0628\u0627 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n\n
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\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n