diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/hana/example/span.cpp | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.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/example/span.cpp')
-rw-r--r-- | src/boost/libs/hana/example/span.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/span.cpp b/src/boost/libs/hana/example/span.cpp new file mode 100644 index 000000000..c31095635 --- /dev/null +++ b/src/boost/libs/hana/example/span.cpp @@ -0,0 +1,44 @@ +// 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/integral_constant.hpp> +#include <boost/hana/less.hpp> +#include <boost/hana/pair.hpp> +#include <boost/hana/span.hpp> +#include <boost/hana/tuple.hpp> +namespace hana = boost::hana; + + +constexpr auto xs = hana::make_tuple(hana::int_c<1>, hana::int_c<2>, hana::int_c<3>, hana::int_c<4>); + +BOOST_HANA_CONSTANT_CHECK( + hana::span(xs, hana::less.than(hana::int_c<3>)) + == + hana::make_pair(hana::make_tuple(hana::int_c<1>, hana::int_c<2>), + hana::make_tuple(hana::int_c<3>, hana::int_c<4>)) +); + +BOOST_HANA_CONSTANT_CHECK( + hana::span(xs, hana::less.than(hana::int_c<0>)) + == + hana::make_pair(hana::make_tuple(), xs) +); + +BOOST_HANA_CONSTANT_CHECK( + hana::span(xs, hana::less.than(hana::int_c<5>)) + == + hana::make_pair(xs, hana::make_tuple()) +); + +// span.by is syntactic sugar +BOOST_HANA_CONSTANT_CHECK( + hana::span.by(hana::less.than(hana::int_c<3>), xs) + == + hana::make_pair(hana::make_tuple(hana::int_c<1>, hana::int_c<2>), + hana::make_tuple(hana::int_c<3>, hana::int_c<4>)) +); + +int main() { } |