diff options
author | MCApollo <34170230+MCApollo@users.noreply.github.com> | 2019-04-24 20:58:12 -0500 |
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committer | MCApollo <34170230+MCApollo@users.noreply.github.com> | 2019-04-24 20:58:12 -0500 |
commit | a12a0f8a5ab9cce38d815e83474656bf504d96dc (patch) | |
tree | 4ddff6b7a27819c46577b2a172961393677e34e6 /data/iphoneos-sdk/v1/__tuple | |
parent | 70c8b04b525b7ed4af0689ebf2b2ad540c95ec11 (diff) |
Proposed package to replace iphoneos-sys.
Diffstat (limited to 'data/iphoneos-sdk/v1/__tuple')
-rwxr-xr-x | data/iphoneos-sdk/v1/__tuple | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/__tuple b/data/iphoneos-sdk/v1/__tuple new file mode 100755 index 000000000..69d6ee961 --- /dev/null +++ b/data/iphoneos-sdk/v1/__tuple @@ -0,0 +1,556 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___TUPLE +#define _LIBCPP___TUPLE + +#include <__config> +#include <cstddef> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _Tp> class _LIBCPP_TEMPLATE_VIS tuple_size; + +#if !defined(_LIBCPP_CXX03_LANG) +template <class _Tp, class...> +using __enable_if_tuple_size_imp = _Tp; + +template <class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_size<__enable_if_tuple_size_imp< + const _Tp, + typename enable_if<!is_volatile<_Tp>::value>::type, + integral_constant<size_t, sizeof(tuple_size<_Tp>)>>> + : public integral_constant<size_t, tuple_size<_Tp>::value> {}; + +template <class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_size<__enable_if_tuple_size_imp< + volatile _Tp, + typename enable_if<!is_const<_Tp>::value>::type, + integral_constant<size_t, sizeof(tuple_size<_Tp>)>>> + : public integral_constant<size_t, tuple_size<_Tp>::value> {}; + +template <class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_size<__enable_if_tuple_size_imp< + const volatile _Tp, + integral_constant<size_t, sizeof(tuple_size<_Tp>)>>> + : public integral_constant<size_t, tuple_size<_Tp>::value> {}; + +#else +template <class _Tp> class _LIBCPP_TEMPLATE_VIS tuple_size<const _Tp> : public tuple_size<_Tp> {}; +template <class _Tp> class _LIBCPP_TEMPLATE_VIS tuple_size<volatile _Tp> : public tuple_size<_Tp> {}; +template <class _Tp> class _LIBCPP_TEMPLATE_VIS tuple_size<const volatile _Tp> : public tuple_size<_Tp> {}; +#endif + +template <size_t _Ip, class _Tp> class _LIBCPP_TEMPLATE_VIS tuple_element; + +template <size_t _Ip, class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, const _Tp> +{ +public: + typedef typename add_const<typename tuple_element<_Ip, _Tp>::type>::type type; +}; + +template <size_t _Ip, class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, volatile _Tp> +{ +public: + typedef typename add_volatile<typename tuple_element<_Ip, _Tp>::type>::type type; +}; + +template <size_t _Ip, class _Tp> +class _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, const volatile _Tp> +{ +public: + typedef typename add_cv<typename tuple_element<_Ip, _Tp>::type>::type type; +}; + +template <class _Tp> struct __tuple_like : false_type {}; + +template <class _Tp> struct __tuple_like<const _Tp> : public __tuple_like<_Tp> {}; +template <class _Tp> struct __tuple_like<volatile _Tp> : public __tuple_like<_Tp> {}; +template <class _Tp> struct __tuple_like<const volatile _Tp> : public __tuple_like<_Tp> {}; + +// tuple specializations + +#ifndef _LIBCPP_CXX03_LANG + +template <size_t...> struct __tuple_indices {}; + +template <class _IdxType, _IdxType... _Values> +struct __integer_sequence { + template <template <class _OIdxType, _OIdxType...> class _ToIndexSeq, class _ToIndexType> + using __convert = _ToIndexSeq<_ToIndexType, _Values...>; + + template <size_t _Sp> + using __to_tuple_indices = __tuple_indices<(_Values + _Sp)...>; +}; + +#if !__has_builtin(__make_integer_seq) || defined(_LIBCPP_TESTING_FALLBACK_MAKE_INTEGER_SEQUENCE) +namespace __detail { + +template<typename _Tp, size_t ..._Extra> struct __repeat; +template<typename _Tp, _Tp ..._Np, size_t ..._Extra> struct __repeat<__integer_sequence<_Tp, _Np...>, _Extra...> { + typedef __integer_sequence<_Tp, + _Np..., + sizeof...(_Np) + _Np..., + 2 * sizeof...(_Np) + _Np..., + 3 * sizeof...(_Np) + _Np..., + 4 * sizeof...(_Np) + _Np..., + 5 * sizeof...(_Np) + _Np..., + 6 * sizeof...(_Np) + _Np..., + 7 * sizeof...(_Np) + _Np..., + _Extra...> type; +}; + +template<size_t _Np> struct __parity; +template<size_t _Np> struct __make : __parity<_Np % 8>::template __pmake<_Np> {}; + +template<> struct __make<0> { typedef __integer_sequence<size_t> type; }; +template<> struct __make<1> { typedef __integer_sequence<size_t, 0> type; }; +template<> struct __make<2> { typedef __integer_sequence<size_t, 0, 1> type; }; +template<> struct __make<3> { typedef __integer_sequence<size_t, 0, 1, 2> type; }; +template<> struct __make<4> { typedef __integer_sequence<size_t, 0, 1, 2, 3> type; }; +template<> struct __make<5> { typedef __integer_sequence<size_t, 0, 1, 2, 3, 4> type; }; +template<> struct __make<6> { typedef __integer_sequence<size_t, 0, 1, 2, 3, 4, 5> type; }; +template<> struct __make<7> { typedef __integer_sequence<size_t, 0, 1, 2, 3, 4, 5, 6> type; }; + +template<> struct __parity<0> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type> {}; }; +template<> struct __parity<1> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 1> {}; }; +template<> struct __parity<2> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 2, _Np - 1> {}; }; +template<> struct __parity<3> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 3, _Np - 2, _Np - 1> {}; }; +template<> struct __parity<4> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 4, _Np - 3, _Np - 2, _Np - 1> {}; }; +template<> struct __parity<5> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 5, _Np - 4, _Np - 3, _Np - 2, _Np - 1> {}; }; +template<> struct __parity<6> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 6, _Np - 5, _Np - 4, _Np - 3, _Np - 2, _Np - 1> {}; }; +template<> struct __parity<7> { template<size_t _Np> struct __pmake : __repeat<typename __make<_Np / 8>::type, _Np - 7, _Np - 6, _Np - 5, _Np - 4, _Np - 3, _Np - 2, _Np - 1> {}; }; + +} // namespace detail + +#endif // !__has_builtin(__make_integer_seq) || defined(_LIBCPP_TESTING_FALLBACK_MAKE_INTEGER_SEQUENCE) + +#if __has_builtin(__make_integer_seq) +template <size_t _Ep, size_t _Sp> +using __make_indices_imp = + typename __make_integer_seq<__integer_sequence, size_t, _Ep - _Sp>::template + __to_tuple_indices<_Sp>; +#else +template <size_t _Ep, size_t _Sp> +using __make_indices_imp = + typename __detail::__make<_Ep - _Sp>::type::template __to_tuple_indices<_Sp>; + +#endif + +template <size_t _Ep, size_t _Sp = 0> +struct __make_tuple_indices +{ + static_assert(_Sp <= _Ep, "__make_tuple_indices input error"); + typedef __make_indices_imp<_Ep, _Sp> type; +}; + + +template <class ..._Tp> class _LIBCPP_TEMPLATE_VIS tuple; + +template <class... _Tp> struct __tuple_like<tuple<_Tp...> > : true_type {}; + +template <class ..._Tp> +class _LIBCPP_TEMPLATE_VIS tuple_size<tuple<_Tp...> > + : public integral_constant<size_t, sizeof...(_Tp)> +{ +}; + +template <size_t _Ip, class ..._Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +typename tuple_element<_Ip, tuple<_Tp...> >::type& +get(tuple<_Tp...>&) _NOEXCEPT; + +template <size_t _Ip, class ..._Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const typename tuple_element<_Ip, tuple<_Tp...> >::type& +get(const tuple<_Tp...>&) _NOEXCEPT; + +template <size_t _Ip, class ..._Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +typename tuple_element<_Ip, tuple<_Tp...> >::type&& +get(tuple<_Tp...>&&) _NOEXCEPT; + +template <size_t _Ip, class ..._Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const typename tuple_element<_Ip, tuple<_Tp...> >::type&& +get(const tuple<_Tp...>&&) _NOEXCEPT; + +#endif // !defined(_LIBCPP_CXX03_LANG) + +// pair specializations + +template <class _T1, class _T2> struct __tuple_like<pair<_T1, _T2> > : true_type {}; + +template <size_t _Ip, class _T1, class _T2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +typename tuple_element<_Ip, pair<_T1, _T2> >::type& +get(pair<_T1, _T2>&) _NOEXCEPT; + +template <size_t _Ip, class _T1, class _T2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const typename tuple_element<_Ip, pair<_T1, _T2> >::type& +get(const pair<_T1, _T2>&) _NOEXCEPT; + +#ifndef _LIBCPP_CXX03_LANG +template <size_t _Ip, class _T1, class _T2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +typename tuple_element<_Ip, pair<_T1, _T2> >::type&& +get(pair<_T1, _T2>&&) _NOEXCEPT; + +template <size_t _Ip, class _T1, class _T2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const typename tuple_element<_Ip, pair<_T1, _T2> >::type&& +get(const pair<_T1, _T2>&&) _NOEXCEPT; +#endif + +// array specializations + +template <class _Tp, size_t _Size> struct _LIBCPP_TEMPLATE_VIS array; + +template <class _Tp, size_t _Size> struct __tuple_like<array<_Tp, _Size> > : true_type {}; + +template <size_t _Ip, class _Tp, size_t _Size> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +_Tp& +get(array<_Tp, _Size>&) _NOEXCEPT; + +template <size_t _Ip, class _Tp, size_t _Size> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const _Tp& +get(const array<_Tp, _Size>&) _NOEXCEPT; + +#ifndef _LIBCPP_CXX03_LANG +template <size_t _Ip, class _Tp, size_t _Size> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +_Tp&& +get(array<_Tp, _Size>&&) _NOEXCEPT; + +template <size_t _Ip, class _Tp, size_t _Size> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +const _Tp&& +get(const array<_Tp, _Size>&&) _NOEXCEPT; +#endif + +#ifndef _LIBCPP_CXX03_LANG + +// __tuple_types + +template <class ..._Tp> struct __tuple_types {}; + +#if !__has_builtin(__type_pack_element) + +namespace __indexer_detail { + +template <size_t _Idx, class _Tp> +struct __indexed { using type = _Tp; }; + +template <class _Types, class _Indexes> struct __indexer; + +template <class ..._Types, size_t ..._Idx> +struct __indexer<__tuple_types<_Types...>, __tuple_indices<_Idx...>> + : __indexed<_Idx, _Types>... +{}; + +template <size_t _Idx, class _Tp> +__indexed<_Idx, _Tp> __at_index(__indexed<_Idx, _Tp> const&); + +} // namespace __indexer_detail + +template <size_t _Idx, class ..._Types> +using __type_pack_element = typename decltype( + __indexer_detail::__at_index<_Idx>( + __indexer_detail::__indexer< + __tuple_types<_Types...>, + typename __make_tuple_indices<sizeof...(_Types)>::type + >{}) + )::type; +#endif + +template <size_t _Ip, class ..._Types> +class _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, __tuple_types<_Types...>> +{ +public: + static_assert(_Ip < sizeof...(_Types), "tuple_element index out of range"); + typedef __type_pack_element<_Ip, _Types...> type; +}; + + +template <class ..._Tp> +class _LIBCPP_TEMPLATE_VIS tuple_size<__tuple_types<_Tp...> > + : public integral_constant<size_t, sizeof...(_Tp)> +{ +}; + +template <class... _Tp> struct __tuple_like<__tuple_types<_Tp...> > : true_type {}; + +template <bool _ApplyLV, bool _ApplyConst, bool _ApplyVolatile> +struct __apply_cv_mf; +template <> +struct __apply_cv_mf<false, false, false> { + template <class _Tp> using __apply = _Tp; +}; +template <> +struct __apply_cv_mf<false, true, false> { + template <class _Tp> using __apply = const _Tp; +}; +template <> +struct __apply_cv_mf<false, false, true> { + template <class _Tp> using __apply = volatile _Tp; +}; +template <> +struct __apply_cv_mf<false, true, true> { + template <class _Tp> using __apply = const volatile _Tp; +}; +template <> +struct __apply_cv_mf<true, false, false> { + template <class _Tp> using __apply = _Tp&; +}; +template <> +struct __apply_cv_mf<true, true, false> { + template <class _Tp> using __apply = const _Tp&; +}; +template <> +struct __apply_cv_mf<true, false, true> { + template <class _Tp> using __apply = volatile _Tp&; +}; +template <> +struct __apply_cv_mf<true, true, true> { + template <class _Tp> using __apply = const volatile _Tp&; +}; +template <class _Tp, class _RawTp = typename remove_reference<_Tp>::type> +using __apply_cv_t = __apply_cv_mf< + is_lvalue_reference<_Tp>::value, + is_const<_RawTp>::value, + is_volatile<_RawTp>::value>; + +// __make_tuple_types + +// __make_tuple_types<_Tuple<_Types...>, _Ep, _Sp>::type is a +// __tuple_types<_Types...> using only those _Types in the range [_Sp, _Ep). +// _Sp defaults to 0 and _Ep defaults to tuple_size<_Tuple>. If _Tuple is a +// lvalue_reference type, then __tuple_types<_Types&...> is the result. + +template <class _TupleTypes, class _TupleIndices> +struct __make_tuple_types_flat; + +template <template <class...> class _Tuple, class ..._Types, size_t ..._Idx> +struct __make_tuple_types_flat<_Tuple<_Types...>, __tuple_indices<_Idx...>> { + // Specialization for pair, tuple, and __tuple_types + template <class _Tp, class _ApplyFn = __apply_cv_t<_Tp>> + using __apply_quals = __tuple_types< + typename _ApplyFn::template __apply<__type_pack_element<_Idx, _Types...>>... + >; +}; + +template <class _Vt, size_t _Np, size_t ..._Idx> +struct __make_tuple_types_flat<array<_Vt, _Np>, __tuple_indices<_Idx...>> { + template <size_t> + using __value_type = _Vt; + template <class _Tp, class _ApplyFn = __apply_cv_t<_Tp>> + using __apply_quals = __tuple_types< + typename _ApplyFn::template __apply<__value_type<_Idx>>... + >; +}; + +template <class _Tp, size_t _Ep = tuple_size<typename remove_reference<_Tp>::type>::value, + size_t _Sp = 0, + bool _SameSize = (_Ep == tuple_size<typename remove_reference<_Tp>::type>::value)> +struct __make_tuple_types +{ + static_assert(_Sp <= _Ep, "__make_tuple_types input error"); + using _RawTp = typename remove_cv<typename remove_reference<_Tp>::type>::type; + using _Maker = __make_tuple_types_flat<_RawTp, typename __make_tuple_indices<_Ep, _Sp>::type>; + using type = typename _Maker::template __apply_quals<_Tp>; +}; + +template <class ..._Types, size_t _Ep> +struct __make_tuple_types<tuple<_Types...>, _Ep, 0, true> { + typedef __tuple_types<_Types...> type; +}; + +template <class ..._Types, size_t _Ep> +struct __make_tuple_types<__tuple_types<_Types...>, _Ep, 0, true> { + typedef __tuple_types<_Types...> type; +}; + +template <bool ..._Preds> +struct __all_dummy; + +template <bool ..._Pred> +using __all = is_same<__all_dummy<_Pred...>, __all_dummy<((void)_Pred, true)...>>; + +struct __tuple_sfinae_base { + template <template <class, class...> class _Trait, + class ..._LArgs, class ..._RArgs> + static auto __do_test(__tuple_types<_LArgs...>, __tuple_types<_RArgs...>) + -> __all<typename enable_if<_Trait<_LArgs, _RArgs>::value, bool>::type{true}...>; + template <template <class...> class> + static auto __do_test(...) -> false_type; + + template <class _FromArgs, class _ToArgs> + using __constructible = decltype(__do_test<is_constructible>(_ToArgs{}, _FromArgs{})); + template <class _FromArgs, class _ToArgs> + using __convertible = decltype(__do_test<is_convertible>(_FromArgs{}, _ToArgs{})); + template <class _FromArgs, class _ToArgs> + using __assignable = decltype(__do_test<is_assignable>(_ToArgs{}, _FromArgs{})); +}; + +// __tuple_convertible + +template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value, + bool = __tuple_like<_Up>::value> +struct __tuple_convertible + : public false_type {}; + +template <class _Tp, class _Up> +struct __tuple_convertible<_Tp, _Up, true, true> + : public __tuple_sfinae_base::__convertible< + typename __make_tuple_types<_Tp>::type + , typename __make_tuple_types<_Up>::type + > +{}; + +// __tuple_constructible + +template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value, + bool = __tuple_like<_Up>::value> +struct __tuple_constructible + : public false_type {}; + +template <class _Tp, class _Up> +struct __tuple_constructible<_Tp, _Up, true, true> + : public __tuple_sfinae_base::__constructible< + typename __make_tuple_types<_Tp>::type + , typename __make_tuple_types<_Up>::type + > +{}; + +// __tuple_assignable + +template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value, + bool = __tuple_like<_Up>::value> +struct __tuple_assignable + : public false_type {}; + +template <class _Tp, class _Up> +struct __tuple_assignable<_Tp, _Up, true, true> + : public __tuple_sfinae_base::__assignable< + typename __make_tuple_types<_Tp>::type + , typename __make_tuple_types<_Up&>::type + > +{}; + + +template <size_t _Ip, class ..._Tp> +class _LIBCPP_TEMPLATE_VIS tuple_element<_Ip, tuple<_Tp...> > +{ +public: + typedef typename tuple_element<_Ip, __tuple_types<_Tp...> >::type type; +}; + +#if _LIBCPP_STD_VER > 11 +template <size_t _Ip, class ..._Tp> +using tuple_element_t = typename tuple_element <_Ip, _Tp...>::type; +#endif + +template <bool _IsTuple, class _SizeTrait, size_t _Expected> +struct __tuple_like_with_size_imp : false_type {}; + +template <class _SizeTrait, size_t _Expected> +struct __tuple_like_with_size_imp<true, _SizeTrait, _Expected> + : integral_constant<bool, _SizeTrait::value == _Expected> {}; + +template <class _Tuple, size_t _ExpectedSize, + class _RawTuple = typename __uncvref<_Tuple>::type> +using __tuple_like_with_size = __tuple_like_with_size_imp< + __tuple_like<_RawTuple>::value, + tuple_size<_RawTuple>, _ExpectedSize + >; + +struct _LIBCPP_TYPE_VIS __check_tuple_constructor_fail { + template <class ...> + static constexpr bool __enable_default() { return false; } + template <class ...> + static constexpr bool __enable_explicit() { return false; } + template <class ...> + static constexpr bool __enable_implicit() { return false; } + template <class ...> + static constexpr bool __enable_assign() { return false; } +}; +#endif // !defined(_LIBCPP_CXX03_LANG) + +#if _LIBCPP_STD_VER > 14 + +template <bool _CanCopy, bool _CanMove> +struct __sfinae_ctor_base {}; +template <> +struct __sfinae_ctor_base<false, false> { + __sfinae_ctor_base() = default; + __sfinae_ctor_base(__sfinae_ctor_base const&) = delete; + __sfinae_ctor_base(__sfinae_ctor_base &&) = delete; + __sfinae_ctor_base& operator=(__sfinae_ctor_base const&) = default; + __sfinae_ctor_base& operator=(__sfinae_ctor_base&&) = default; +}; +template <> +struct __sfinae_ctor_base<true, false> { + __sfinae_ctor_base() = default; + __sfinae_ctor_base(__sfinae_ctor_base const&) = default; + __sfinae_ctor_base(__sfinae_ctor_base &&) = delete; + __sfinae_ctor_base& operator=(__sfinae_ctor_base const&) = default; + __sfinae_ctor_base& operator=(__sfinae_ctor_base&&) = default; +}; +template <> +struct __sfinae_ctor_base<false, true> { + __sfinae_ctor_base() = default; + __sfinae_ctor_base(__sfinae_ctor_base const&) = delete; + __sfinae_ctor_base(__sfinae_ctor_base &&) = default; + __sfinae_ctor_base& operator=(__sfinae_ctor_base const&) = default; + __sfinae_ctor_base& operator=(__sfinae_ctor_base&&) = default; +}; + +template <bool _CanCopy, bool _CanMove> +struct __sfinae_assign_base {}; +template <> +struct __sfinae_assign_base<false, false> { + __sfinae_assign_base() = default; + __sfinae_assign_base(__sfinae_assign_base const&) = default; + __sfinae_assign_base(__sfinae_assign_base &&) = default; + __sfinae_assign_base& operator=(__sfinae_assign_base const&) = delete; + __sfinae_assign_base& operator=(__sfinae_assign_base&&) = delete; +}; +template <> +struct __sfinae_assign_base<true, false> { + __sfinae_assign_base() = default; + __sfinae_assign_base(__sfinae_assign_base const&) = default; + __sfinae_assign_base(__sfinae_assign_base &&) = default; + __sfinae_assign_base& operator=(__sfinae_assign_base const&) = default; + __sfinae_assign_base& operator=(__sfinae_assign_base&&) = delete; +}; +template <> +struct __sfinae_assign_base<false, true> { + __sfinae_assign_base() = default; + __sfinae_assign_base(__sfinae_assign_base const&) = default; + __sfinae_assign_base(__sfinae_assign_base &&) = default; + __sfinae_assign_base& operator=(__sfinae_assign_base const&) = delete; + __sfinae_assign_base& operator=(__sfinae_assign_base&&) = default; +}; +#endif // _LIBCPP_STD_VER > 14 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___TUPLE |