mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-29 01:03:45 +00:00
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*=============================================================================
|
|
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_STD_ARRAY_HPP
|
|
#define SPROUT_TUPLE_STD_ARRAY_HPP
|
|
|
|
#include <type_traits>
|
|
#include <array>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/utility/move.hpp>
|
|
#include <sprout/utility/as_const.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<std::array<T, N> > {
|
|
public:
|
|
template<std::size_t I>
|
|
static SPROUT_CONSTEXPR T&
|
|
tuple_get(std::array<T, N>& t) SPROUT_NOEXCEPT {
|
|
static_assert(I < N, "tuple_get: index out of range");
|
|
return const_cast<T&>(sprout::as_const(t)[I]);
|
|
}
|
|
template<std::size_t I>
|
|
static SPROUT_CONSTEXPR T const&
|
|
tuple_get(std::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(std::array<T, N>&& t) SPROUT_NOEXCEPT {
|
|
return sprout::move(tuple_get<I>(t));
|
|
}
|
|
};
|
|
} // namespace tuples
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_TUPLE_STD_ARRAY_HPP
|