Hello. I’m guessing that your tried calling twoprint(), but you’ve probably
found that nothing is printed to the screen before your program exits.
Is that correct?
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I write some function and other things in the followings:
var a string
var once sync.Once
func setup() {
a = "hello,world"
}
func doprint() {
once.Do(setup)
fmt.Print(a)
}
func twoprint() {
go doprint()
go doprint()
}
the quwstion is how can I make use of function twoprint()?? Thank you
