func Map(arr []string, iterator func(string) string) []string {
	r := []string{}
	for _, item := range arr {
		r = append(r, iterator(item))
	}
	return r
}
func Map(arr []string, iterator func(string) string) []string {
	r := []string{}
	for _, item := range arr {
		r = append(r, iterator(item))
	}
	return r
}
func Map ( arr [ ] string , iterator func ( string ) string ) [ ] string { r := [ ] string { } for _ , item := range arr { r = append ( r , iterator ( item ) ) } return r }
// Map maps an array's iitem through an iterator.
Map maps an array s iitem through an iterator .