1 files changed, 13 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/optional/nothing.cpp b/src/boost/libs/hana/example/optional/nothing.cpp
new file mode 100644
index 000000000..81f109e90
--- /dev/null
+++ b/src/boost/libs/hana/example/optional/nothing.cpp
@@ -0,0 +1,13 @@
+// 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/assert.hpp>
+#include <boost/hana/optional.hpp>
+namespace hana = boost::hana;
+
+
+constexpr auto x = hana::nothing;
+BOOST_HANA_CONSTANT_CHECK(hana::is_nothing(x));
+
+int main() { }