Add mp_remove, mp_reverse.

test/mp_remove.cpp

@@ -0,0 +1,52 @@
+
+//  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/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+
+int main()
+{
+    using boost::mp_list;
+    using boost::mp_remove;
+
+    {
+        using L1 = mp_list<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L1, void>, L1>));
+
+        using L2 = mp_list<X1, X2, X3, X2, X3, X3>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, void>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X1>, mp_list<X2, X3, X2, X3, X3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X2>, mp_list<X1, X3, X3, X3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X3>, mp_list<X1, X2, X2>>));
+    }
+
+    {
+        using L1 = std::tuple<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L1, void>, L1>));
+
+        using L2 = std::tuple<X1, X2, X3, X2, X3, X3>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, void>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X1>, std::tuple<X2, X3, X2, X3, X3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X2>, std::tuple<X1, X3, X3, X3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_remove<L2, X3>, std::tuple<X1, X2, X2>>));
+    }
+
+    return boost::report_errors();
+}