Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/optional/representation.cpp b/src/boost/libs/hana/test/optional/representation.cpp
new file mode 100644
index 00000000..d7a719e3
--- /dev/null
+++ b/src/boost/libs/hana/test/optional/representation.cpp
@@ -0,0 +1,19 @@
+// 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/optional.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+struct Foo { };
+
+int main() {
+    auto just = hana::just(Foo{});
+    static_assert(std::is_same<decltype(just), hana::optional<Foo>>{}, "");
+
+    auto nothing = hana::nothing;
+    static_assert(std::is_same<decltype(nothing), hana::optional<>>{}, "");
+}