Passing functions as parameters

FunctionsAsParameters.go

// http://play.golang.org/p/kmXecwWIMR

package main

import "fmt"

/*
Output:
Hello, playground
A: 1
A: 2
A: 3
A: 4
A: 5
B: 6
B: 7
B: 8
B: 9
A: 0
*/
func main() {
	fmt.Println("Hello, playground")
	GreaterThan([]int{1,2,3,4,5,6,7,8,9,0},5,A,B)
}

func GreaterThan(slice []int, x int, less func(int), more func(int)) {
	for _, v := range slice {
		if v > x {
			more(v)
		} else {
			less(v)
		}
	}
}

func A(i int) {
	fmt.Println("A:", i)
}

func B(i int) {
	fmt.Println("B:", i)
}