channel in Go

1. Forget Code
2. Go
3. channel

package main
import (  
    "fmt"
)

func test(done chan bool) {  
    fmt.Println("test func goroutine")
    done <- true
}
func main() {  
    done := make(chan bool)
    go test(done)
    <-done
    fmt.Println("main function")
}