tdesktop/Telegram/SourceFiles/base/algorithm.h

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once

namespace base {

template <typename Type>
inline Type take(Type &value) {
	return std::exchange(value, Type {});
}

template <typename Type>
inline Type duplicate(const Type &value) {
	return value;
}

template <typename Type, size_t Size>
inline constexpr size_t array_size(const Type(&)[Size]) {
	return Size;
}

} // namespace base