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hana/example/monoid.cpp
2014-12-06 16:30:16 -05:00

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582 B
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/integral.hpp>
using namespace boost::hana;
int main() {
//! [zero]
BOOST_HANA_CONSTANT_CHECK(zero<Integral<int>>() == int_<0>);
BOOST_HANA_CONSTEXPR_CHECK(zero<long>() == 0l);
//! [zero]
//! [plus]
BOOST_HANA_CONSTANT_CHECK(plus(int_<3>, int_<5>) == int_<8>);
BOOST_HANA_CONSTEXPR_CHECK(plus(1, 2) == 3);
//! [plus]
}