yapb-noob-edition/ext/crlib/cr-movable.h
2021-01-01 00:00:33 +03:00

56 lines
1.4 KiB
C++

//
// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
// Copyright © 2004-2021 YaPB Project <yapb@jeefo.net>.
//
// SPDX-License-Identifier: MIT
//
#pragma once
#include <crlib/cr-basic.h>
CR_NAMESPACE_BEGIN
namespace detail {
template <typename T> struct ClearRef {
using Type = T;
};
template <typename T> struct ClearRef <T &> {
using Type = T;
};
template <typename T> struct ClearRef <T &&> {
using Type = T;
};
}
template <typename T> typename detail::ClearRef <T>::Type constexpr &&move (T &&type) noexcept {
return static_cast <typename detail::ClearRef <T>::Type &&> (type);
}
template <typename T> constexpr T &&forward (typename detail::ClearRef <T>::Type &type) noexcept {
return static_cast <T &&> (type);
}
template <typename T> constexpr T &&forward (typename detail::ClearRef <T>::Type &&type) noexcept {
return static_cast <T &&> (type);
}
template <typename T> inline void swap (T &left, T &right) noexcept {
auto temp = cr::move (left);
left = cr::move (right);
right = cr::move (temp);
}
template <typename T, size_t S> inline void swap (T (&left)[S], T (&right)[S]) noexcept {
if (&left == &right) {
return;
}
auto begin = left;
auto end = begin + S;
for (auto temp = right; begin != end; ++begin, ++temp) {
cr::swap (*begin, *temp);
}
}
CR_NAMESPACE_END