mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-23 21:25:49 +00:00
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2014 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_UTILITY_SWAP_HPP
|
|
#define SPROUT_UTILITY_SWAP_HPP
|
|
|
|
#include <utility>
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/utility/move.hpp>
|
|
#include <sprout/type_traits/enabler_if.hpp>
|
|
|
|
namespace sprout_swap_detail {
|
|
using std::swap;
|
|
|
|
template<typename T, typename sprout::enabler_if<std::is_scalar<T>::value>::type = sprout::enabler>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
swap_impl(T& a, T& b) SPROUT_NOEXCEPT {
|
|
T temp = sprout::move(a);
|
|
a = sprout::move(b);
|
|
b = sprout::move(temp);
|
|
}
|
|
template<typename T, typename sprout::enabler_if<!std::is_scalar<T>::value>::type = sprout::enabler>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
swap_impl(T& a, T& b)
|
|
SPROUT_NOEXCEPT_IF_EXPR(swap(a, b))
|
|
{
|
|
swap(a, b);
|
|
}
|
|
template<typename T, std::size_t N>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
swap_impl(T (& a)[N], T (& b)[N])
|
|
SPROUT_NOEXCEPT_IF_EXPR(sprout_swap_detail::swap_impl(*a, *b))
|
|
{
|
|
for (std::size_t i = 0; i < N; ++i) {
|
|
sprout_swap_detail::swap_impl(a[i], b[i]);
|
|
}
|
|
}
|
|
} // namespace sprout_swap_detail
|
|
|
|
namespace sprout {
|
|
//
|
|
// 20.2.2 swap
|
|
//
|
|
template<typename T1, typename T2>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
swap(T1& lhs, T2& rhs)
|
|
SPROUT_NOEXCEPT_IF_EXPR(sprout_swap_detail::swap_impl(lhs, rhs))
|
|
{
|
|
return sprout_swap_detail::swap_impl(lhs, rhs);
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_UTILITY_SWAP_HPP
|