ceph/src/boost/libs/mp11/test/mp_if_sf.cpp

   1
   2 //  Copyright 2017 Peter Dimov.
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 //
   6 // See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt
   8
   9
  10 #include <boost/mp11/utility.hpp>
  11 #include <boost/core/lightweight_test_trait.hpp>
  12 #include <type_traits>
  13
  14 int main()
  15 {
  16     using boost::mp11::mp_if;
  17     using boost::mp11::mp_valid;
  18
  19     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void>));
  20     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_if, std::false_type, void, void>));
  21     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_if, std::false_type, void, void, void>));
  22
  23     return boost::report_errors();
  24 }