mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
69 lines
2.3 KiB
C++
69 lines
2.3 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_STRING_TUPLE_HPP
|
|
#define SPROUT_STRING_TUPLE_HPP
|
|
|
|
#include <tuple>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/string/string.hpp>
|
|
#include <sprout/utility/move.hpp>
|
|
#include <sprout/tuple/tuple/get.hpp>
|
|
#include <sprout/type_traits/integral_constant.hpp>
|
|
#include <sprout/type_traits/identity.hpp>
|
|
#include <sprout/detail/nil_base.hpp>
|
|
|
|
namespace sprout {
|
|
//
|
|
// tuple_get
|
|
//
|
|
template<std::size_t I, typename T, std::size_t N, typename Traits>
|
|
inline SPROUT_CONSTEXPR T&
|
|
tuple_get(sprout::basic_string<T, N, Traits>& t) SPROUT_NOEXCEPT {
|
|
static_assert(I < N, "tuple_get: index out of range");
|
|
return t[I];
|
|
}
|
|
template<std::size_t I, typename T, std::size_t N, typename Traits>
|
|
inline SPROUT_CONSTEXPR T const&
|
|
tuple_get(sprout::basic_string<T, N, Traits> const& t) SPROUT_NOEXCEPT {
|
|
static_assert(I < N, "tuple_get: index out of range");
|
|
return t[I];
|
|
}
|
|
template<std::size_t I, typename T, std::size_t N, typename Traits>
|
|
inline SPROUT_CONSTEXPR T&&
|
|
tuple_get(sprout::basic_string<T, N, Traits>&& t) SPROUT_NOEXCEPT {
|
|
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 T, std::size_t N, typename Traits>
|
|
struct tuple_size<sprout::basic_string<T, N, Traits> >
|
|
: public sprout::integral_constant<std::size_t, N>
|
|
{};
|
|
|
|
//
|
|
// tuple_element
|
|
//
|
|
template<std::size_t I, typename T, std::size_t N, typename Traits>
|
|
struct tuple_element<I, sprout::basic_string<T, N, Traits> >
|
|
: public std::conditional<(I < N), sprout::identity<T>, sprout::detail::nil_base>::type
|
|
{};
|
|
#if defined(__clang__)
|
|
# pragma clang diagnostic pop
|
|
#endif
|
|
} // namespace std
|
|
|
|
#endif // #ifndef SPROUT_STRING_TUPLE_HPP
|