chromium/third_party/webrtc/rtc_base/strong_alias.h

/*
 *  Copyright 2019 The Chromium Authors. All rights reserved.
 *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */
#ifndef RTC_BASE_STRONG_ALIAS_H_
#define RTC_BASE_STRONG_ALIAS_H_

#include <type_traits>
#include <utility>

namespace webrtc {

// This is a copy of
// https://source.chromium.org/chromium/chromium/src/+/main:base/types/strong_alias.h
// as the API (and internals) are using type-safe integral identifiers, but this
// library can't depend on that file. The ostream operator has been removed
// per WebRTC library conventions, and the underlying type is exposed.

template <typename TagType, typename TheUnderlyingType>
class StrongAlias { … };

}  // namespace webrtc

#endif  // RTC_BASE_STRONG_ALIAS_H_