Sprout/sprout/utility/move.hpp
2012-04-13 23:32:34 +09:00

29 lines
728 B
C++

#ifndef SPROUT_UTILITY_MOVE_HPP
#define SPROUT_UTILITY_MOVE_HPP
#include <type_traits>
#include <sprout/config.hpp>
namespace sprout {
//
// move
//
template<typename 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
#endif // #ifndef SPROUT_UTILITY_MOVE_HPP