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add move_if_noexcept

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bolero-MURAKAMI 2012-04-13 23:32:34 +09:00
parent 29b7bc7c06
commit 1766ed43a4
1 changed files with 14 additions and 2 deletions
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16
sprout/utility/move.hpp
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@ -9,8 +9,20 @@ namespace sprout {
// move
//
template<typename T>
inline SPROUT_CONSTEXPR typename std::remove_reference<T>::type&& move(T&& t) SPROUT_NOEXCEPT {
return static_cast<typename std::remove_reference<T>::type&&>(t);
inline SPROUT_CONSTEXPR typename std::remove_reference<T>::type&& move(T&& x) SPROUT_NOEXCEPT {
return static_cast<typename std::remove_reference<T>::type&&>(x);
}
//
// move_if_noexcept
//
template<typename T>
inline SPROUT_CONSTEXPR typename std::conditional<
!std::is_nothrow_move_constructible<T>::value && std::is_copy_constructible<T>::value,
T const&,
T&&
>::type move_if_noexcept(T& x) SPROUT_NOEXCEPT {
return sprout::move(x);
}
} // namespace sprout