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Sprout/sprout/functional/divides_assign.hpp
2017-07-29 14:20:01 +09:00

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/*=============================================================================
Copyright (c) 2011-2017 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_FUNCTIONAL_DEVIDES_ASSIGN_HPP
#define SPROUT_FUNCTIONAL_DEVIDES_ASSIGN_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/functional/transparent.hpp>
namespace sprout {
//
// divides_assign
//
template<typename T = void>
struct divides_assign;
template<>
struct divides_assign<void>
: public sprout::transparent<>
{
public:
template<typename T, typename U>
SPROUT_CONSTEXPR decltype(std::declval<T>() /= std::declval<U>())
operator()(T&& x, U&& y)
const SPROUT_NOEXCEPT_IF_EXPR(std::declval<T>() /= std::declval<U>())
{
return SPROUT_FORWARD(T, x) /= SPROUT_FORWARD(U, y);
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_DEVIDES_ASSIGN_HPP