1 files changed, 13 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/optional/maybe.cpp b/src/boost/libs/hana/example/optional/maybe.cpp
new file mode 100644
index 00000000..5e90cb65
--- /dev/null
+++ b/src/boost/libs/hana/example/optional/maybe.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/functional/placeholder.hpp>
+#include <boost/hana/optional.hpp>
+namespace hana = boost::hana;
+
+
+static_assert(hana::maybe('x', hana::_ + 1, hana::just(1)) == 2, "");
+static_assert(hana::maybe('x', hana::_ + 1, hana::nothing) == 'x', "");
+
+int main() { }