function-closures

Language: Gold, Platform: Echoes, Category: Tour of Go
https://github.com/remobjects/ElementsSamples/tree/master/Gold/Echoes/Tour of Go/function-closures

• function-closures.Echoes
  • References
    • #
  • Source Files
    • function-closures.go
  • Other Files

function-closures.go

// Ignored build directive: +build OMIT

package main

import "fmt"

func adder() func(int) int {
	sum := 0
	return func(x int) int {
		sum += x
		return sum
	}
}

func main() {
	pos, neg := adder(), adder()
	for i := 0; i < 10; i++ {
		fmt.Println(
			pos(i),
			neg(-2*i),
		)
	}
}