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https://github.com/unknwon/the-way-to-go_ZH_CN.git
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dc86a917a6
Co-authored-by: zhouzilong.luke <zhouzilong.luke@bytedance.com> Co-authored-by: Joe Chen <jc@unknwon.io>
26 lines
382 B
Go
26 lines
382 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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var cnt = 0
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func main() {
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ch1 := make(chan int)
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go pump(ch1) // pump hangs
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fmt.Println(<-ch1) // prints only 0
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time.Sleep(time.Second)
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fmt.Println(cnt) // prints 1
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}
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func pump(ch chan int) {
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for i := 0; ; i++ {
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ch <- i // the channel will be block due to lack of consumer
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cnt++ // this code will only execute once
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}
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}
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