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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/hana/test/optional/concat.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream/16.2.11+ds.tar.xz ceph-upstream/16.2.11+ds.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/hana/test/optional/concat.cpp')
-rw-r--r-- | src/boost/libs/hana/test/optional/concat.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/optional/concat.cpp b/src/boost/libs/hana/test/optional/concat.cpp new file mode 100644 index 000000000..40a2a0daf --- /dev/null +++ b/src/boost/libs/hana/test/optional/concat.cpp @@ -0,0 +1,55 @@ +// 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/concat.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 rv_nothing = [] { return hana::nothing; }; // rvalue nothing + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(rv_nothing(), hana::nothing), + hana::nothing + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::nothing, rv_nothing()), + hana::nothing + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(rv_nothing(), rv_nothing()), + hana::nothing + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(rv_nothing(), hana::just(ct_eq<0>{})), + hana::just(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::just(ct_eq<0>{}), rv_nothing()), + hana::just(ct_eq<0>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::nothing, hana::nothing), + hana::nothing + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::nothing, hana::just(ct_eq<0>{})), + hana::just(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::just(ct_eq<0>{}), hana::nothing), + hana::just(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::concat(hana::just(ct_eq<0>{}), hana::just(ct_eq<1>{})), + hana::just(ct_eq<0>{}) + )); +} |