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- // Copyright 2017 Peter Dimov.
- //
- // 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
- #include <boost/mp11/utility.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- int main()
- {
- using boost::mp11::mp_if;
- using boost::mp11::mp_valid;
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void>));
- BOOST_TEST_TRAIT_TRUE((mp_valid<mp_if, std::false_type, void, void>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void, void, void>));
- return boost::report_errors();
- }
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