the same closure trick in go

closure-trick.go

package main

import "fmt"

func main() {
	var a [5]func() int
	for i:=0; i < 5; i++ {
		a[i] = func(ii int) func() int {
			return func() int {
				return ii
			}
		}(i)
	}

	for i:=0; i < 5; i++ {
		fmt.Println(a[i]())
	}
}