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hana/example/ring.cpp
2015-02-01 21:02:18 -05:00

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718 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_constant.hpp>
using namespace boost::hana;
int main() {
{
//! [mult]
BOOST_HANA_CONSTANT_CHECK(mult(int_<3>, int_<5>) == int_<15>);
BOOST_HANA_CONSTEXPR_CHECK(mult(4, 2) == 8);
//! [mult]
}{
//! [one]
BOOST_HANA_CONSTANT_CHECK(one<Integral<int>>() == int_<1>);
BOOST_HANA_CONSTEXPR_CHECK(one<long>() == 1l);
//! [one]
}{
//! [power]
BOOST_HANA_CONSTANT_CHECK(power(int_<3>, int_<2>) == int_<3 * 3>);
BOOST_HANA_CONSTEXPR_CHECK(power(2, int_<4>) == 16);
//! [power]
}
}