1 files changed, 17 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/none.cpp b/src/boost/libs/hana/example/none.cpp
new file mode 100644
index 00000000..38aa012f
--- /dev/null
+++ b/src/boost/libs/hana/example/none.cpp
@@ -0,0 +1,17 @@
+// 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/bool.hpp>
+#include <boost/hana/none.hpp>
+#include <boost/hana/not.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+
+
+static_assert(hana::none(hana::make_tuple(false, hana::false_c, hana::false_c)), "");
+static_assert(!hana::none(hana::make_tuple(false, hana::false_c, true)), "");
+BOOST_HANA_CONSTANT_CHECK(!hana::none(hana::make_tuple(false, hana::false_c, hana::true_c)));
+
+int main() { }