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

28 lines
824 B
C++

#ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_DEVIDES_ASSIGN_HPP
#define SPROUT_FUNCTIONAL_POLYMORPHIC_DEVIDES_ASSIGN_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// divides_assign_t
// divides_assign_
//
struct divides_assign_t {
public:
template<typename T, typename U>
SPROUT_CONSTEXPR decltype(std::declval<T>() /= std::declval<U>())
operator()(T&& x, U&& y)
const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::declval<T>() /= std::declval<U>()))
{
return sprout::forward<T>(x) /= sprout::forward<U>(y);
}
};
namespace {
SPROUT_STATIC_CONSTEXPR sprout::divides_assign_t divides_assign_{};
} // anonymous-namespace
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_DEVIDES_ASSIGN_HPP