Sprout/sprout/functional/polymorphic/bit_not.hpp
2012-06-21 13:34:26 +09:00

28 lines
685 B
C++

#ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_BIT_NOT_HPP
#define SPROUT_FUNCTIONAL_POLYMORPHIC_BIT_NOT_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// bit_not_t
// bit_not_
//
struct bit_not_t {
public:
template<typename T>
SPROUT_CONSTEXPR decltype(~std::declval<T>())
operator()(T&& x)
const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(~std::declval<T>()))
{
return ~sprout::forward<T>(x);
}
};
namespace {
SPROUT_STATIC_CONSTEXPR sprout::bit_not_t bit_not_{};
} // anonymous-namespace
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_BIT_NOT_HPP