package main

import "fmt"


func Map(f func(*), s ...) [] {
	for i := range s {
		f(&s[i])
	}
	return s
}

func squareInt(n *int) {
	*n = (*n) * (*n)
}

func squareFloat(n *float64) {
	*n = (*n) * (*n)
}

func dupliString(s *string) {
	*s = (*s) + (*s)
}

func main(){

	fmt.Println(Map(squareInt, 1, 2, 3, 4))
	fmt.Println(Map(squareFloat, 1.0, 2.0, 3.0, 4.0))
	fmt.Println(Map(dupliString, "Hello", "world"))



}