1 files changed, 27 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/sequence/monad_plus.cpp b/src/boost/libs/hana/example/sequence/monad_plus.cpp
new file mode 100644
index 000000000..ba2f89a3f
--- /dev/null
+++ b/src/boost/libs/hana/example/sequence/monad_plus.cpp
@@ -0,0 +1,27 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/append.hpp>
+#include <boost/hana/assert.hpp>
+#include <boost/hana/concat.hpp>
+#include <boost/hana/empty.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/tuple.hpp>
+
+#include <string>
+namespace hana = boost::hana;
+using namespace std::string_literals;
+
+
+BOOST_HANA_CONSTANT_CHECK(hana::empty<hana::tuple_tag>() == hana::make_tuple());
+
+static_assert(hana::append(hana::make_tuple(1, '2', 3.3), nullptr)
+                        == hana::make_tuple(1, '2', 3.3, nullptr), "");
+
+int main() {
+    BOOST_HANA_RUNTIME_CHECK(
+        hana::concat(hana::make_tuple(1, '2', 3.3), hana::make_tuple("abcdef"s)) ==
+        hana::make_tuple(1, '2', 3.3, "abcdef"s)
+    );
+}