golang chan

chan：go routine 间消息通道

package main

import (
        "log"
        "time"
)


type APIHandler struct {
    
        RestartChan chan bool
}

var API = &APIHandler{
    
        RestartChan: make(chan bool),
}

var Debug bool = true

func main(){
    
        log.SetPrefix("[chan] ")
        log.Println("start...")
        if Debug {
    
                log.SetFlags(log.Lshortfile | log.LstdFlags)
        }

        go func() {
    
                for range API.RestartChan {
    
                        API.Print()
                }
        }()

        for {
    
                API.RestartChan <- true
                time.Sleep(1*time.Second)
        }
}


func (api *APIHandler) Print(){
    
        log.Println("chan in")
}

result：

[[email protected] chann]# go run chann.go
[chan] 2022/06/15 09:26:57 start...
[chan] 2022/06/15 09:26:57 chann.go:40: chan in
[chan] 2022/06/15 09:26:58 chann.go:40: chan in
[chan] 2022/06/15 09:26:59 chann.go:40: chan in