mirror of
https://github.com/crazybber/awesome-patterns.git
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42 lines
898 B
Go
42 lines
898 B
Go
package main
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import (
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"fmt"
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"time"
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)
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// Compared with unbuffered counterpart, the sender of buffered channel will block when there is no empty slot of the channel,
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// while the receiver will block on the channel when it is empty.
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func main() {
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ch := make(chan int, 2)
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go func(ch chan int) {
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for i := 1; i <= 5; i++ {
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ch <- i
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fmt.Println("Func goroutine sends data: ", i)
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}
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close(ch)
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}(ch)
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fmt.Println("Main goroutine sleeps 2 seconds")
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time.Sleep(time.Second * 2)
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fmt.Println("Main goroutine begins receiving data")
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for d := range ch {
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fmt.Println("Main goroutine received data:", d)
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}
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}
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// Main goroutine sleeps 2 seconds
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// Func goroutine sends data: 1
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// Main goroutine received data: 1
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// Func goroutine sends data: 2
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// Main goroutine received data: 2
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// Main goroutine begins receiving data
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// Func goroutine sends data: 3
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// Main goroutine received data: 3
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