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

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1.4 KiB
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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_ADL_NOT_FOUND_HPP
#define SPROUT_ADL_NOT_FOUND_HPP
#include <sprout/config.hpp>
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type_traits/is_same.hpp>
namespace sprout {
//
// not_found_via_adl
//
struct not_found_via_adl {};
//
// is_not_found_via_adl
//
template<typename T>
struct is_not_found_via_adl
: public sprout::is_same<T, sprout::not_found_via_adl>
{};
template<typename T>
struct is_not_found_via_adl<T const>
: public sprout::is_not_found_via_adl<T>
{};
template<typename T>
struct is_not_found_via_adl<T volatile>
: public sprout::is_not_found_via_adl<T>
{};
template<typename T>
struct is_not_found_via_adl<T const volatile>
: public sprout::is_not_found_via_adl<T>
{};
//
// is_found_via_adl
//
template<typename T>
struct is_found_via_adl
: public sprout::bool_constant<!sprout::is_not_found_via_adl<T>::value>
{};
} // namespace sprout
#endif // #ifndef SPROUT_ADL_NOT_FOUND_HPP