folly/folly/MacAddress.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <iosfwd>

#include <folly/Conv.h>
#include <folly/Expected.h>
#include <folly/Range.h>
#include <folly/Unit.h>
#include <folly/lang/Bits.h>

namespace folly {

class IPAddressV6;

enum class MacAddressFormatError { … };

/*
 * MacAddress represents an IEEE 802 MAC address.
 */
class MacAddress { … };

/* Define toAppend() so to<string> will work */
template <class Tgt>
typename std::enable_if<IsSomeString<Tgt>::value>::type toAppend(
    MacAddress address, Tgt* result) { … }

std::ostream& operator<<(std::ostream& os, MacAddress address);

} // namespace folly

namespace std {

// Provide an implementation for std::hash<MacAddress>
template <>
struct hash<folly::MacAddress> { … };

} // namespace std