mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-18 16:32:05 +00:00
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
#include <vapours/common.hpp>
|
|
#include <vapours/assert.hpp>
|
|
|
|
namespace ams::util {
|
|
|
|
template<typename T, typename U> requires (std::is_assignable<T&, U&&>::value && std::is_copy_constructible<T>::value && std::is_move_constructible<T>::value)
|
|
constexpr inline T Exchange(T *ptr, U value) {
|
|
AMS_ASSERT(ptr != nullptr);
|
|
auto ret = std::move(*ptr);
|
|
*ptr = std::move(value);
|
|
return ret;
|
|
}
|
|
|
|
template<typename T>
|
|
constexpr inline T *Exchange(T **ptr, std::nullptr_t) {
|
|
AMS_ASSERT(ptr != nullptr);
|
|
auto ret(*ptr);
|
|
*ptr = nullptr;
|
|
return ret;
|
|
}
|
|
|
|
}
|