Add mp_same.

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Peter Dimov committed 2017-04-01 20:01:51 +03:00
1 parent c34e1520e5
commit 28c420edf7
3 files changed
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@@ -94,6 +94,7 @@ run mp_all.cpp : : : $(REQ) ;
run mp_and.cpp : : : $(REQ) ;
run mp_any.cpp : : : $(REQ) ;
run mp_or.cpp : : : $(REQ) ;
run mp_same.cpp : : : $(REQ) ;
# map
run mp_map_find.cpp : : : $(REQ) ;
+33
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@@ -0,0 +1,33 @@
// 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/function.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
int main()
{
using boost::mp11::mp_same;
using boost::mp11::mp_true;
using boost::mp11::mp_false;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void, void>, mp_true>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, int>, mp_false>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, int>, mp_false>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, int>, mp_false>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void, int>, mp_false>));
return boost::report_errors();
}