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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/example/minimum.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.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 '')
-rw-r--r-- | src/boost/libs/hana/example/minimum.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/minimum.cpp b/src/boost/libs/hana/example/minimum.cpp new file mode 100644 index 000000000..4349f2904 --- /dev/null +++ b/src/boost/libs/hana/example/minimum.cpp @@ -0,0 +1,25 @@ +// 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/greater.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/minimum.hpp> +#include <boost/hana/tuple.hpp> +namespace hana = boost::hana; + + +int main() { + // without a predicate + BOOST_HANA_CONSTANT_CHECK( + hana::minimum(hana::tuple_c<int, -1, 0, 2, -4, 6, 9>) == hana::int_c<-4> + ); + + // with a predicate + auto largest = hana::minimum(hana::tuple_c<int, -1, 0, 2, -4, 6, 9>, [](auto x, auto y) { + return x > y; // order is reversed! + }); + BOOST_HANA_CONSTANT_CHECK(largest == hana::int_c<9>); +} |