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https://github.com/bolero-MURAKAMI/Sprout.git
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49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_ADL_NOT_FOUND_HPP
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#define SPROUT_ADL_NOT_FOUND_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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namespace sprout {
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//
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// not_found_via_adl
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//
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struct not_found_via_adl {};
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//
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// is_not_found_via_adl
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//
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template<typename T>
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struct is_not_found_via_adl
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: public std::is_same<T, sprout::not_found_via_adl>
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{};
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template<typename T>
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struct is_not_found_via_adl<T const>
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: public sprout::is_not_found_via_adl<T>
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{};
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template<typename T>
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struct is_not_found_via_adl<T volatile>
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: public sprout::is_not_found_via_adl<T>
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{};
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template<typename T>
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struct is_not_found_via_adl<T const volatile>
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: public sprout::is_not_found_via_adl<T>
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{};
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//
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// is_found_via_adl
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//
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template<typename T>
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struct is_found_via_adl
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: public std::integral_constant<bool, !sprout::is_not_found_via_adl<T>::value>
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{};
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} // namespace sprout
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#endif // #ifndef SPROUT_ADL_NOT_FOUND_HPP
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