closure2.go

package main

import "fmt"

func outer(name string) func() {
	// variable
	text := "Modified " + name

	// closure. function has access to text even after exiting this block
	foo := func() {
		fmt.Println(text)
	}

	// return the closure
	return foo
}

func main() {
	// foo is a closure
	foo := outer("hello")

	// calling a closure
	foo()
}