39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
// 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)
|
|
)
|
|
);
|
|
}
|