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Sprout/sprout/tuple/boost/array.hpp
2016-04-08 12:51:11 +09:00

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1.6 KiB
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/*=============================================================================
Copyright (c) 2011-2016 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_TUPLE_BOOST_ARRAY_HPP
#define SPROUT_TUPLE_BOOST_ARRAY_HPP
#include <type_traits>
#include <array>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple/tuple_access_traits.hpp>
#include <sprout/tuple/tuple/get.hpp>
namespace sprout {
namespace tuples {
//
// tuple_access_traits
//
template<typename T, std::size_t N>
struct tuple_access_traits<boost::array<T, N> > {
public:
template<std::size_t I>
static SPROUT_CONSTEXPR T&
tuple_get(boost::array<T, N>& t) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I>
static SPROUT_CONSTEXPR T const&
tuple_get(boost::array<T, N> const& t) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I>
static SPROUT_CONSTEXPR T&&
tuple_get(boost::array<T, N>&& t) SPROUT_NOEXCEPT {
return sprout::move(tuple_get<I>(t));
}
};
} // namespace tuples
} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_BOOST_ARRAY_HPP