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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/functional/demux.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/functional/demux.cpp')
-rw-r--r-- | src/boost/libs/hana/test/functional/demux.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/functional/demux.cpp b/src/boost/libs/hana/test/functional/demux.cpp new file mode 100644 index 000000000..07285bce5 --- /dev/null +++ b/src/boost/libs/hana/test/functional/demux.cpp @@ -0,0 +1,64 @@ +// 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/functional/demux.hpp> + +#include <laws/base.hpp> +namespace hana = boost::hana; +using hana::test::ct_eq; + + +struct MoveOnly { + MoveOnly() = default; + MoveOnly(MoveOnly const&) = delete; + MoveOnly(MoveOnly&&) = default; +}; + +int main() { + hana::test::_injection<0> f{}; + hana::test::_injection<1> g{}; + hana::test::_injection<2> h{}; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)()(), + f() + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g)(ct_eq<1>{}), + f(g(ct_eq<1>{})) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g)(ct_eq<1>{}, ct_eq<2>{}), + f(g(ct_eq<1>{}, ct_eq<2>{})) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g)(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), + f(g(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g, h)(ct_eq<1>{}), + f(g(ct_eq<1>{}), h(ct_eq<1>{})) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g, h)(ct_eq<1>{}, ct_eq<2>{}), + f(g(ct_eq<1>{}, ct_eq<2>{}), h(ct_eq<1>{}, ct_eq<2>{})) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::demux(f)(g, h)(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), + f(g(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), h(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})) + )); + + // Make sure we can pass move-only types when a single function + // is demux'ed. In other words, make sure the arguments are + // perfect-forwarded when a single function is demux'ed. + { + hana::demux(f)(g)(MoveOnly{}); + hana::demux(f)(g)(MoveOnly{}, MoveOnly{}); + hana::demux(f)(g)(MoveOnly{}, MoveOnly{}, MoveOnly{}); + } +} |