mirror of
https://gitee.com/shikong-sk/golang-study
synced 2025-02-23 15:32:15 +08:00
44 lines
496 B
Go
44 lines
496 B
Go
package main
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import (
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"fmt"
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"sync"
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)
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var wg = new(sync.WaitGroup)
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// 只写 单向通道
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func producer(ch chan<- int) {
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defer wg.Done()
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for i := 0; i < 200; i++ {
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ch <- i
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}
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close(ch)
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}
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// 只读 单向通道
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func consumer(ch <-chan int) {
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defer wg.Done()
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for i := range ch {
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fmt.Printf("%d\n", i)
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}
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}
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func main() {
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// 可读可写 双向通道
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ch := make(chan int, 10)
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wg.Add(1)
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go producer(ch)
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wg.Add(10)
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for i := 0; i < 10; i++ {
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go consumer(ch)
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}
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wg.Wait()
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}
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