blob: 29592931bd778bdedb7fe00723e3a96a93d2e750 [file] [log] [blame]
* 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.
// This implementation is borrowed from Chromium.
#include <utility>
namespace webrtc {
// Implementation of C++20's std::identity.
// Reference:
// -
// -
struct identity {
template <typename T>
constexpr T&& operator()(T&& t) const noexcept {
return std::forward<T>(t);
using is_transparent = void;
} // namespace webrtc