Initial commit.

test/mp_identity.cpp

@@ -0,0 +1,26 @@
+
+//  Copyright 2015 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/core/lightweight_test_trait.hpp>
+#include <boost/mp11/utility.hpp>
+#include <type_traits>
+
+struct X {};
+
+int main()
+{
+    using boost::mp_identity;
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<void const volatile>::type, void const volatile>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<void()>::type, void()>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<int const[]>::type, int const[]>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<X>::type, X>));
+
+    return boost::report_errors();
+}