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- // 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/contains.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/not.hpp>
- #include <boost/hana/string.hpp>
- namespace hana = boost::hana;
- struct invalid { };
- int main() {
- BOOST_HANA_CONSTANT_CHECK(hana::contains(
- BOOST_HANA_STRING("abcd"),
- hana::char_c<'a'>
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::contains(
- BOOST_HANA_STRING("abcd"),
- hana::char_c<'c'>
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::contains(
- BOOST_HANA_STRING("abcd"),
- hana::char_c<'e'>
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::contains(
- BOOST_HANA_STRING("abcd"),
- invalid{}
- )));
- }
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