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// Copyright Sergey Nizovtsev 2016
// 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/core/is_a.hpp>
#include <boost/hana/functional/partial.hpp>
#include <boost/hana/product.hpp>
#include <boost/hana/range.hpp>
#include <boost/hana/traits.hpp>
#include <boost/hana/transform.hpp>
#include <boost/hana/tuple.hpp>
#include <boost/hana/type.hpp>
namespace hana = boost::hana;
int main() {
constexpr auto type = hana::type_c<int[2][3][4]>;
BOOST_HANA_CONSTANT_CHECK(
hana::is_an<hana::integral_constant_tag<size_t>>(
hana::traits::extent(type, hana::uint_c<1>)
)
);
// Check that we can multiple extents in size_t's ring
hana::product<hana::integral_constant_tag<size_t>>(
hana::transform(
hana::to_tuple(
hana::make_range(
hana::size_c<0>,
hana::traits::rank(type)
)
),
hana::partial(hana::traits::extent, type)
)
);
}
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