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Sprout/sprout/array/nested_array.hpp
2015-01-10 19:13:57 +09:00

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1.5 KiB
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/*=============================================================================
Copyright (c) 2011-2015 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_ARRAY_NESTED_ARRAY_HPP
#define SPROUT_ARRAY_NESTED_ARRAY_HPP
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/array/array.hpp>
#include <sprout/type_traits/identity.hpp>
namespace sprout {
namespace detail {
template<typename T, std::size_t... Ns>
struct nested_array_t_impl;
template<typename T, std::size_t N>
struct nested_array_t_impl<T, N>
: public sprout::identity<sprout::array<T, N> >
{};
template<typename T, std::size_t N, std::size_t... Ms>
struct nested_array_t_impl<T, N, Ms...>
: public sprout::detail::nested_array_t_impl<sprout::array<T, N>, Ms...>
{};
} // namespace detail
//
// nested_array_t
//
template<typename T, std::size_t... Ns>
struct nested_array_t
: public sprout::detail::nested_array_t_impl<T, Ns...>
{};
#if SPROUT_USE_TEMPLATE_ALIASES
//
// nested_array
//
template<typename T, std::size_t... Ns>
using nested_array = typename sprout::nested_array_t<T, Ns...>::type;
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
} // namespace sprout
#endif // #ifndef SPROUT_ARRAY_NESTED_ARRAY_HPP