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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/functional/overload_linearly.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/functional/overload_linearly.cpp')
-rw-r--r-- | src/boost/libs/hana/example/functional/overload_linearly.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/functional/overload_linearly.cpp b/src/boost/libs/hana/example/functional/overload_linearly.cpp new file mode 100644 index 000000000..632234f56 --- /dev/null +++ b/src/boost/libs/hana/example/functional/overload_linearly.cpp @@ -0,0 +1,22 @@ +// 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/functional/overload_linearly.hpp> + +#include <string> +namespace hana = boost::hana; + + +auto f = hana::overload_linearly( + [](int i) { return i + 1; }, + [](std::string s) { return s + "d"; }, + [](double) { BOOST_HANA_RUNTIME_CHECK(false && "never called"); } +); + +int main() { + BOOST_HANA_RUNTIME_CHECK(f(1) == 2); + BOOST_HANA_RUNTIME_CHECK(f("abc") == "abcd"); + BOOST_HANA_RUNTIME_CHECK(f(2.2) == static_cast<int>(2.2) + 1); +} |