Sprout/sprout/pit/tuple.hpp
2018-12-30 17:25:21 +09:00

70 lines
2.4 KiB
C++

/*=============================================================================
Copyright (c) 2011-2018 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_PIT_TUPLE_HPP
#define SPROUT_PIT_TUPLE_HPP
#include <tuple>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/pit/pit.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple/tuple_element.hpp>
#include <sprout/tuple/tuple/get.hpp>
namespace sprout {
//
// tuple_get
//
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type&
tuple_get(sprout::pit<Container>& t) SPROUT_NOEXCEPT {
static_assert(I < sprout::container_traits<sprout::pit<Container> >::static_size, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type const&
tuple_get(sprout::pit<Container> const& t) SPROUT_NOEXCEPT {
static_assert(I < sprout::container_traits<sprout::pit<Container> >::static_size, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type&&
tuple_get(sprout::pit<Container>&& t)
SPROUT_NOEXCEPT_IF_EXPR(sprout::move(sprout::tuples::get<I>(t)))
{
return sprout::move(sprout::tuples::get<I>(t));
}
} // namespace sprout
namespace std {
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// tuple_size
//
template<typename Container>
struct tuple_size<sprout::pit<Container> >
: public std::tuple_size<Container>
{};
//
// tuple_element
//
template<std::size_t I, typename Container>
struct tuple_element<I, sprout::pit<Container> >
: public sprout::tuples::tuple_element<I, Container>
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace std
#endif // #ifndef SPROUT_PIT_TUPLE_HPP