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34 lines
905 B
C++
34 lines
905 B
C++
/*
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@copyright Louis Dionne 2014
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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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*/
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/functional.hpp>
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#include <boost/hana/list/instance.hpp>
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using namespace boost::hana;
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int main() {
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//! [main]
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BOOST_HANA_CONSTEXPR_LAMBDA auto is_permutation_of = curry<2>([](auto xs, auto perm) {
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return any(_ == perm, permutations(xs));
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});
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BOOST_HANA_STATIC_ASSERT(
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all(is_permutation_of(list('1', 2, 3.0)),
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list(
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list('1', 2, 3.0),
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list('1', 3.0, 2),
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list(2, '1', 3.0),
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list(2, 3.0, '1'),
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list(3.0, '1', 2),
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list(3.0, 2, '1')
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)
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)
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);
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//! [main]
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}
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