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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/hana/example/none.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/none.cpp b/src/boost/libs/hana/example/none.cpp new file mode 100644 index 000000000..38aa012f7 --- /dev/null +++ b/src/boost/libs/hana/example/none.cpp @@ -0,0 +1,17 @@ +// 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/bool.hpp> +#include <boost/hana/none.hpp> +#include <boost/hana/not.hpp> +#include <boost/hana/tuple.hpp> +namespace hana = boost::hana; + + +static_assert(hana::none(hana::make_tuple(false, hana::false_c, hana::false_c)), ""); +static_assert(!hana::none(hana::make_tuple(false, hana::false_c, true)), ""); +BOOST_HANA_CONSTANT_CHECK(!hana::none(hana::make_tuple(false, hana::false_c, hana::true_c))); + +int main() { } |