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Sprout/sprout/functional/address_of.hpp
2014-08-14 22:55:49 +09:00

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/*=============================================================================
Copyright (c) 2011-2014 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_ADDRESS_OF_HPP
#define SPROUT_FUNCTIONAL_ADDRESS_OF_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// address_of
//
template<typename T = void>
struct address_of;
template<>
struct address_of<void> {
public:
typedef void is_transparent;
public:
template<typename T>
SPROUT_CONSTEXPR decltype(&std::declval<T>())
operator()(T&& x)
const SPROUT_NOEXCEPT_IF_EXPR(&std::declval<T>())
{
return &SPROUT_FORWARD(T, x);
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_ADDRESS_OF_HPP