Sprout/sprout/functional/polymorphic/address_of.hpp
bolero-MURAKAMI cb1077d247 add copyright
2013-08-08 18:54:33 +09:00

35 lines
1.1 KiB
C++

/*=============================================================================
Copyright (c) 2011-2013 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_POLYMORPHIC_ADDRESS_OF_HPP
#define SPROUT_FUNCTIONAL_POLYMORPHIC_ADDRESS_OF_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// address_of_t
// address_of_
//
struct address_of_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::address_of_t address_of_ = {};
} // anonymous-namespace
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_ADDRESS_OF_HPP