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-rw-r--r--src/boost/libs/hana/test/optional/representation.cpp19
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
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+++ b/src/boost/libs/hana/test/optional/representation.cpp
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+// 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<>>{}, "");
+}