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25 lines
663 B
C++
25 lines
663 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/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/pair.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 plus = [](auto x, auto y) {
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return x + y;
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};
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BOOST_HANA_CONSTEXPR_LAMBDA auto x = pair(1, 2);
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BOOST_HANA_CONSTEXPR_LAMBDA auto y = pair(10, 20);
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BOOST_HANA_CONSTEXPR_CHECK(on(plus, first)(x, y) == 1 + 10);
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//! [main]
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}
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