tdesktop/Telegram/SourceFiles/base/algorithm.h

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/*
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 {});
}
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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