14. goroutine

创建一个协程

golang创建协程的关键字是go

• go xxxx()

package main
import (
    "fmt"
    "time"
)
func task(id int)  {
    for  {
        fmt.Println("child task:",id)
        time.Sleep(1*time.Second)
    }
}
func main() {
    go task(1)
    go task(2)
    go task(3)
    for  {
    }
}

child task: 1
child task: 2
child task: 3
child task: 3
child task: 1
child task: 2