1 files changed, 15 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/tutorial/ext/ratio_plus.cpp b/src/boost/libs/hana/example/tutorial/ext/ratio_plus.cpp
new file mode 100644
index 000000000..e3c15546f
--- /dev/null
+++ b/src/boost/libs/hana/example/tutorial/ext/ratio_plus.cpp
@@ -0,0 +1,15 @@
+// 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)
+
+//! [main]
+#include <boost/hana/ext/std/ratio.hpp>
+#include <boost/hana/plus.hpp>
+
+#include <ratio>
+namespace hana = boost::hana;
+
+auto r = hana::plus(std::ratio<3, 4>{}, std::ratio<4, 5>{});
+//! [main]
+
+int main() { }