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- /*!
- @file
- Defines `boost::hana::Searchable`.
- Copyright Louis Dionne 2013-2022
- Distributed under the Boost Software License, Version 1.0.
- (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
- */
- #ifndef BOOST_HANA_CONCEPT_SEARCHABLE_HPP
- #define BOOST_HANA_CONCEPT_SEARCHABLE_HPP
- #include <boost/hana/fwd/concept/searchable.hpp>
- #include <boost/hana/any_of.hpp>
- #include <boost/hana/config.hpp>
- #include <boost/hana/core/default.hpp>
- #include <boost/hana/core/tag_of.hpp>
- #include <boost/hana/detail/integral_constant.hpp>
- #include <boost/hana/find_if.hpp>
- namespace boost { namespace hana {
- template <typename S>
- struct Searchable
- : hana::integral_constant<bool,
- !is_default<any_of_impl<typename tag_of<S>::type>>::value &&
- !is_default<find_if_impl<typename tag_of<S>::type>>::value
- >
- { };
- }} // end namespace boost::hana
- #endif // !BOOST_HANA_CONCEPT_SEARCHABLE_HPP
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