1 files changed, 16 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/tutorial/include_ext.cpp b/src/boost/libs/hana/example/tutorial/include_ext.cpp
new file mode 100644
index 000000000..d753d6249
--- /dev/null
+++ b/src/boost/libs/hana/example/tutorial/include_ext.cpp
@@ -0,0 +1,16 @@
+// 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/tuple.hpp>
+#include <boost/hana/front.hpp>
+#include <tuple> // still required to create a tuple
+namespace hana = boost::hana;
+
+
+int main() {
+  constexpr std::tuple<int, char, float> xs{1, '2', 3.0f};
+  static_assert(hana::front(xs) == 1, "");
+}
+//! [main]