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hana/example/pair.cpp
2014-11-04 09:43:44 -05:00

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C++

/*
@copyright Louis Dionne 2014
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/assert.hpp>
#include <boost/hana/foreign.hpp>
#include <boost/hana/pair.hpp>
using namespace boost::hana;
int main() {
//! [pair]
BOOST_HANA_CONSTEXPR_ASSERT(first(pair(1, 'x')) == 1);
BOOST_HANA_CONSTEXPR_ASSERT(second(pair(1, 'x')) == 'x');
//! [pair]
//! [product]
BOOST_HANA_CONSTEXPR_ASSERT(make<Pair>(1, 'x') == pair(1, 'x'));
BOOST_HANA_CONSTEXPR_ASSERT(first(pair(1, 'x')) == 1);
BOOST_HANA_CONSTEXPR_ASSERT(second(pair(1, 'x')) == 'x');
//! [product]
}