scopeを狭くできるif

if_then.go

package main

import "fmt"

func a() (x string, y bool) {
	return "test", true
}

func main() {
	if _, y := a(); y {
		fmt.Println("true: ", y)
	} else {
		fmt.Println("false", y)
	}
	// fmt.Println("result: ", y) <- out of scope
}