// Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build ignore package main import "fmt" type IPAddr [4]byte func (ip IPAddr) String() string { return fmt.Sprintf("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]) } func main() { addrs := map[string]IPAddr{ "loopback": {127, 0, 0, 1}, "googleDNS": {8, 8, 8, 8}, } for n, a := range addrs { fmt.Printf("%v: %v\n", n, a) } }