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Diffstat (limited to 'src/boost/libs/hana/test/optional/value.cpp')
-rw-r--r-- | src/boost/libs/hana/test/optional/value.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/optional/value.cpp b/src/boost/libs/hana/test/optional/value.cpp new file mode 100644 index 000000000..710d73c75 --- /dev/null +++ b/src/boost/libs/hana/test/optional/value.cpp @@ -0,0 +1,33 @@ +// 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/equal.hpp> +#include <boost/hana/optional.hpp> + +#include <laws/base.hpp> +namespace hana = boost::hana; +using hana::test::ct_eq; + + +int main() { + auto lvalue = hana::just(ct_eq<3>{}); + ct_eq<3>& ref = lvalue.value(); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + ref, + ct_eq<3>{} + )); + + auto const const_lvalue = hana::just(ct_eq<3>{}); + ct_eq<3> const& const_ref = const_lvalue.value(); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + const_ref, + ct_eq<3>{} + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::just(ct_eq<3>{}).value(), + ct_eq<3>{} + )); +} |