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32 lines
832 B
C++
32 lines
832 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/assert.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/functional.hpp>
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#include <boost/hana/integral.hpp>
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#include <boost/hana/list/instance.hpp>
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#include <boost/hana/pair.hpp>
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#include <boost/hana/type.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 sorted = sort_by(less ^on^ first, list(
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pair(int_<3>, 'x'),
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pair(int_<1>, type<void>),
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pair(int_<2>, 9876)
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));
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BOOST_HANA_CONSTEXPR_ASSERT(sorted == list(
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pair(int_<1>, type<void>),
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pair(int_<2>, 9876),
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pair(int_<3>, 'x')
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));
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//! [main]
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}
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