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28 lines
777 B
C++
28 lines
777 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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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 = _ + _;
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BOOST_HANA_CONSTEXPR_CHECK(plus(1, 2) == 1 + 2);
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BOOST_HANA_CONSTEXPR_LAMBDA auto increment = _ + 1;
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BOOST_HANA_CONSTEXPR_CHECK(increment(1) == 2);
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BOOST_HANA_CONSTEXPR_LAMBDA auto double_ = 2 * _;
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BOOST_HANA_CONSTEXPR_CHECK(double_(1) == 2);
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// Extra arguments are ignored.
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BOOST_HANA_CONSTEXPR_CHECK(double_(1, "ignored") == 2);
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//! [main]
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}
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