mp_if_sf.cpp 644 B

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  1. // Copyright 2017 Peter Dimov.
  2. //
  3. // Distributed under the Boost Software License, Version 1.0.
  4. //
  5. // See accompanying file LICENSE_1_0.txt or copy at
  6. // http://www.boost.org/LICENSE_1_0.txt
  7. #include <boost/mp11/utility.hpp>
  8. #include <boost/core/lightweight_test_trait.hpp>
  9. #include <type_traits>
  10. int main()
  11. {
  12. using boost::mp11::mp_if;
  13. using boost::mp11::mp_valid;
  14. BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void>));
  15. BOOST_TEST_TRAIT_TRUE((mp_valid<mp_if, std::false_type, void, void>));
  16. BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void, void, void>));
  17. return boost::report_errors();
  18. }