// closure.go
package main

import (
	"fmt"
)

func main() {
	x, y := 32, 64

	func(a int) {
		x = 128
		fmt.Println("a = ", a)
		fmt.Println("x = ", x)
		fmt.Println("y = ", y)
	}(256)

	fmt.Println("x = ", x)
	fmt.Println("y = ", y)
}