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hana/example/cppcon_2014/functor.cpp

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/*
@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/functional/placeholder.hpp>
#include <boost/hana/integral_constant.hpp>
#include "matrix/comparable.hpp"
#include "matrix/functor.hpp"
using namespace boost::hana;
using namespace cppcon;
int main() {
// fmap
{
auto m = matrix(
row(1, int_<2>, 3),
row(int_<4>, 5, 6),
row(7, 8, int_<9>)
);
BOOST_HANA_CONSTEXPR_CHECK(fmap(m, _ + int_<1>) ==
matrix(
row(2, int_<3>, 4),
row(int_<5>, 6, 7),
row(8, 9, int_<10>)
)
);
}
}