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30 lines
898 B
C++
30 lines
898 B
C++
// Copyright Louis Dionne 2013-2016
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/find.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/optional.hpp>
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#include <boost/hana/string.hpp>
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namespace hana = boost::hana;
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struct invalid { };
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int main() {
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::find(BOOST_HANA_STRING("abcd"), hana::char_c<'a'>),
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hana::just(hana::char_c<'a'>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::find(BOOST_HANA_STRING("abcd"), hana::char_c<'c'>),
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hana::just(hana::char_c<'c'>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::find(BOOST_HANA_STRING("abcd"), invalid{}),
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hana::nothing
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));
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}
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