// Copyright 2013 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. | |
package ipv4 | |
import "golang.org/x/net/internal/iana" | |
// An ICMPType represents a type of ICMP message. | |
type ICMPType int | |
func (typ ICMPType) String() string { | |
s, ok := icmpTypes[typ] | |
if !ok { | |
return "<nil>" | |
} | |
return s | |
} | |
// Protocol returns the ICMPv4 protocol number. | |
func (typ ICMPType) Protocol() int { | |
return iana.ProtocolICMP | |
} |