| // -*- C++ -*- | |
| //===--------------------------- tuple ------------------------------------===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef _LIBCPP_TUPLE | |
| #define _LIBCPP_TUPLE | |
| /* | |
| tuple synopsis | |
| namespace std | |
| { | |
| template <class... T> | |
| class tuple { | |
| public: | |
| constexpr tuple(); | |
| explicit tuple(const T&...); // constexpr in C++14 | |
| template <class... U> | |
| explicit tuple(U&&...); // constexpr in C++14 | |
| tuple(const tuple&) = default; | |
| tuple(tuple&&) = default; | |
| template <class... U> | |
| tuple(const tuple<U...>&); // constexpr in C++14 | |
| template <class... U> | |
| tuple(tuple<U...>&&); // constexpr in C++14 | |
| template <class U1, class U2> | |
| tuple(const pair<U1, U2>&); // iff sizeof...(T) == 2 // constexpr in C++14 | |
| template <class U1, class U2> | |
| tuple(pair<U1, U2>&&); // iff sizeof...(T) == 2 // constexpr in C++14 | |
| // allocator-extended constructors | |
| template <class Alloc> | |
| tuple(allocator_arg_t, const Alloc& a); | |
| template <class Alloc> | |
| tuple(allocator_arg_t, const Alloc& a, const T&...); | |
| template <class Alloc, class... U> | |
| tuple(allocator_arg_t, const Alloc& a, U&&...); | |
| template <class Alloc> | |
| tuple(allocator_arg_t, const Alloc& a, const tuple&); | |
| template <class Alloc> | |
| tuple(allocator_arg_t, const Alloc& a, tuple&&); | |
| template <class Alloc, class... U> | |
| tuple(allocator_arg_t, const Alloc& a, const tuple<U...>&); | |
| template <class Alloc, class... U> | |
| tuple(allocator_arg_t, const Alloc& a, tuple<U...>&&); | |
| template <class Alloc, class U1, class U2> | |
| tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&); | |
| template <class Alloc, class U1, class U2> | |
| tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&); | |
| tuple& operator=(const tuple&); | |
| tuple& | |
| operator=(tuple&&) noexcept(AND(is_nothrow_move_assignable<T>::value ...)); | |
| template <class... U> | |
| tuple& operator=(const tuple<U...>&); | |
| template <class... U> | |
| tuple& operator=(tuple<U...>&&); | |
| template <class U1, class U2> | |
| tuple& operator=(const pair<U1, U2>&); // iff sizeof...(T) == 2 | |
| template <class U1, class U2> | |
| tuple& operator=(pair<U1, U2>&&); //iffsizeof...(T) == 2 | |
| void swap(tuple&) noexcept(AND(swap(declval<T&>(), declval<T&>())...)); | |
| }; | |
| const unspecified ignore; | |
| template <class... T> tuple<V...> make_tuple(T&&...); // constexpr in C++14 | |
| template <class... T> tuple<ATypes...> forward_as_tuple(T&&...) noexcept; // constexpr in C++14 | |
| template <class... T> tuple<T&...> tie(T&...) noexcept; // constexpr in C++14 | |
| template <class... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls); // constexpr in C++14 | |
| // 20.4.1.4, tuple helper classes: | |
| template <class T> class tuple_size; // undefined | |
| template <class... T> class tuple_size<tuple<T...>>; | |
| template <intsize_t I, class T> class tuple_element; // undefined | |
| template <intsize_t I, class... T> class tuple_element<I, tuple<T...>>; | |
| template <size_t _Ip, class ..._Tp> | |
| using tuple_element_t = typename tuple_element <_Ip, _Tp...>::type; // C++14 | |
| // 20.4.1.5, element access: | |
| template <intsize_t I, class... T> | |
| typename tuple_element<I, tuple<T...>>::type& | |
| get(tuple<T...>&) noexcept; // constexpr in C++14 | |
| template <intsize_t I, class... T> | |
| typename const tuple_element<I, tuple<T...>>::type & | |
| get(const tuple<T...>&) noexcept; // constexpr in C++14 | |
| template <intsize_t I, class... T> | |
| typename tuple_element<I, tuple<T...>>::type&& | |
| get(tuple<T...>&&) noexcept; // constexpr in C++14 | |
| template <class T1, class... T> | |
| constexpr T1& get(tuple<T...>&) noexcept; // C++14 | |
| template <class T1, class... T> | |
| constexpr T1 const& get(const tuple<T...>&) noexcept; // C++14 | |
| template <class T1, class... T> | |
| constexpr T1&& get(tuple<T...>&&) noexcept; // C++14 | |
| // 20.4.1.6, relational operators: | |
| template<class... T, class... U> bool operator==(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template<class... T, class... U> bool operator<(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template<class... T, class... U> bool operator!=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template<class... T, class... U> bool operator>(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template<class... T, class... U> bool operator<=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template<class... T, class... U> bool operator>=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 | |
| template <class... Types, class Alloc> | |
| struct uses_allocator<tuple<Types...>, Alloc>; | |
| template <class... Types> | |
| void | |
| swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(noexcept(x.swap(y))); | |
| } // std | |
| */ | |
| #include <__config> | |
| #include <__tuple> | |
| #include <cstddef> | |
| #include <type_traits> | |
| #include <__functional_base> | |
| #include <utility> | |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | |
| #pragma GCC system_header | |
| #endif | |
| _LIBCPP_BEGIN_NAMESPACE_STD | |
| #ifndef _LIBCPP_HAS_NO_VARIADICS | |
| // tuple_size | |
| template <class ..._Tp> | |
| class _LIBCPP_TYPE_VIS_ONLY tuple_size<tuple<_Tp...> > | |
| : public integral_constant<size_t, sizeof...(_Tp)> | |
| { | |
| }; | |
| // tuple_element | |
| template <size_t _Ip, class ..._Tp> | |
| class _LIBCPP_TYPE_VIS_ONLY 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 | |
| // __tuple_leaf | |
| template <size_t _Ip, class _Hp, bool=is_empty<_Hp>::value | |
| #if __has_feature(is_final) | |
| && !__is_final(_Hp) | |
| #endif | |
| > | |
| class __tuple_leaf; | |
| template <size_t _Ip, class _Hp, bool _Ep> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void swap(__tuple_leaf<_Ip, _Hp, _Ep>& __x, __tuple_leaf<_Ip, _Hp, _Ep>& __y) | |
| _NOEXCEPT_(__is_nothrow_swappable<_Hp>::value) | |
| { | |
| swap(__x.get(), __y.get()); | |
| } | |
| template <size_t _Ip, class _Hp, bool> | |
| class __tuple_leaf | |
| { | |
| _Hp value; | |
| __tuple_leaf& operator=(const __tuple_leaf&); | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __tuple_leaf() | |
| _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : value() | |
| {static_assert(!is_reference<_Hp>::value, | |
| "Attempted to default construct a reference element in a tuple");} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 0>, const _Alloc&) | |
| : value() | |
| {static_assert(!is_reference<_Hp>::value, | |
| "Attempted to default construct a reference element in a tuple");} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) | |
| : value(allocator_arg_t(), __a) | |
| {static_assert(!is_reference<_Hp>::value, | |
| "Attempted to default construct a reference element in a tuple");} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) | |
| : value(__a) | |
| {static_assert(!is_reference<_Hp>::value, | |
| "Attempted to default construct a reference element in a tuple");} | |
| template <class _Tp, | |
| class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) | |
| : value(_VSTD::forward<_Tp>(__t)) | |
| {static_assert(!is_reference<_Hp>::value || | |
| (is_lvalue_reference<_Hp>::value && | |
| (is_lvalue_reference<_Tp>::value || | |
| is_same<typename remove_reference<_Tp>::type, | |
| reference_wrapper< | |
| typename remove_reference<_Hp>::type | |
| > | |
| >::value)) || | |
| (is_rvalue_reference<_Hp>::value && | |
| !is_lvalue_reference<_Tp>::value), | |
| "Attempted to construct a reference element in a tuple with an rvalue");} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) | |
| : value(_VSTD::forward<_Tp>(__t)) | |
| {static_assert(!is_lvalue_reference<_Hp>::value || | |
| (is_lvalue_reference<_Hp>::value && | |
| (is_lvalue_reference<_Tp>::value || | |
| is_same<typename remove_reference<_Tp>::type, | |
| reference_wrapper< | |
| typename remove_reference<_Hp>::type | |
| > | |
| >::value)), | |
| "Attempted to construct a reference element in a tuple with an rvalue");} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) | |
| : value(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) | |
| {static_assert(!is_lvalue_reference<_Hp>::value || | |
| (is_lvalue_reference<_Hp>::value && | |
| (is_lvalue_reference<_Tp>::value || | |
| is_same<typename remove_reference<_Tp>::type, | |
| reference_wrapper< | |
| typename remove_reference<_Hp>::type | |
| > | |
| >::value)), | |
| "Attempted to construct a reference element in a tuple with an rvalue");} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) | |
| : value(_VSTD::forward<_Tp>(__t), __a) | |
| {static_assert(!is_lvalue_reference<_Hp>::value || | |
| (is_lvalue_reference<_Hp>::value && | |
| (is_lvalue_reference<_Tp>::value || | |
| is_same<typename remove_reference<_Tp>::type, | |
| reference_wrapper< | |
| typename remove_reference<_Hp>::type | |
| > | |
| >::value)), | |
| "Attempted to construct a reference element in a tuple with an rvalue");} | |
| __tuple_leaf(const __tuple_leaf& __t) = default; | |
| __tuple_leaf(__tuple_leaf&& __t) = default; | |
| template <class _Tp> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf& | |
| operator=(_Tp&& __t) _NOEXCEPT_((is_nothrow_assignable<_Hp&, _Tp>::value)) | |
| { | |
| value = _VSTD::forward<_Tp>(__t); | |
| return *this; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY | |
| int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) | |
| { | |
| _VSTD::swap(*this, __t); | |
| return 0; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 _Hp& get() _NOEXCEPT {return value;} | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const _Hp& get() const _NOEXCEPT {return value;} | |
| }; | |
| template <size_t _Ip, class _Hp> | |
| class __tuple_leaf<_Ip, _Hp, true> | |
| : private _Hp | |
| { | |
| __tuple_leaf& operator=(const __tuple_leaf&); | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __tuple_leaf() | |
| _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 0>, const _Alloc&) {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) | |
| : _Hp(allocator_arg_t(), __a) {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) | |
| : _Hp(__a) {} | |
| template <class _Tp, | |
| class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) | |
| : _Hp(_VSTD::forward<_Tp>(__t)) {} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) | |
| : _Hp(_VSTD::forward<_Tp>(__t)) {} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) | |
| : _Hp(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) {} | |
| template <class _Tp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) | |
| : _Hp(_VSTD::forward<_Tp>(__t), __a) {} | |
| template <class _Tp> | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_leaf& | |
| operator=(_Tp&& __t) _NOEXCEPT_((is_nothrow_assignable<_Hp&, _Tp>::value)) | |
| { | |
| _Hp::operator=(_VSTD::forward<_Tp>(__t)); | |
| return *this; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY | |
| int | |
| swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) | |
| { | |
| _VSTD::swap(*this, __t); | |
| return 0; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 _Hp& get() _NOEXCEPT {return static_cast<_Hp&>(*this);} | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const _Hp& get() const _NOEXCEPT {return static_cast<const _Hp&>(*this);} | |
| }; | |
| template <class ..._Tp> | |
| _LIBCPP_INLINE_VISIBILITY | |
| void __swallow(_Tp&&...) _NOEXCEPT {} | |
| template <bool ...> struct __all; | |
| template <> | |
| struct __all<> | |
| { | |
| static const bool value = true; | |
| }; | |
| template <bool _B0, bool ... _Bp> | |
| struct __all<_B0, _Bp...> | |
| { | |
| static const bool value = _B0 && __all<_Bp...>::value; | |
| }; | |
| // __tuple_impl | |
| template<class _Indx, class ..._Tp> struct __tuple_impl; | |
| template<size_t ..._Indx, class ..._Tp> | |
| struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...> | |
| : public __tuple_leaf<_Indx, _Tp>... | |
| { | |
| _LIBCPP_INLINE_VISIBILITY | |
| _LIBCPP_CONSTEXPR __tuple_impl() | |
| _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} | |
| template <size_t ..._Uf, class ..._Tf, | |
| size_t ..._Ul, class ..._Tl, class ..._Up> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit | |
| __tuple_impl(__tuple_indices<_Uf...>, __tuple_types<_Tf...>, | |
| __tuple_indices<_Ul...>, __tuple_types<_Tl...>, | |
| _Up&&... __u) | |
| _NOEXCEPT_((__all<is_nothrow_constructible<_Tf, _Up>::value...>::value && | |
| __all<is_nothrow_default_constructible<_Tl>::value...>::value)) : | |
| __tuple_leaf<_Uf, _Tf>(_VSTD::forward<_Up>(__u))..., | |
| __tuple_leaf<_Ul, _Tl>()... | |
| {} | |
| template <class _Alloc, size_t ..._Uf, class ..._Tf, | |
| size_t ..._Ul, class ..._Tl, class ..._Up> | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit | |
| __tuple_impl(allocator_arg_t, const _Alloc& __a, | |
| __tuple_indices<_Uf...>, __tuple_types<_Tf...>, | |
| __tuple_indices<_Ul...>, __tuple_types<_Tl...>, | |
| _Up&&... __u) : | |
| __tuple_leaf<_Uf, _Tf>(__uses_alloc_ctor<_Tf, _Alloc, _Up>(), __a, | |
| _VSTD::forward<_Up>(__u))..., | |
| __tuple_leaf<_Ul, _Tl>(__uses_alloc_ctor<_Tl, _Alloc>(), __a)... | |
| {} | |
| template <class _Tuple, | |
| class = typename enable_if | |
| < | |
| __tuple_constructible<_Tuple, tuple<_Tp...> >::value | |
| >::type | |
| > | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| __tuple_impl(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_constructible<_Tp, typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) | |
| : __tuple_leaf<_Indx, _Tp>(_VSTD::forward<typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... | |
| {} | |
| template <class _Alloc, class _Tuple, | |
| class = typename enable_if | |
| < | |
| __tuple_convertible<_Tuple, tuple<_Tp...> >::value | |
| >::type | |
| > | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) | |
| : __tuple_leaf<_Indx, _Tp>(__uses_alloc_ctor<_Tp, _Alloc, typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>(), __a, | |
| _VSTD::forward<typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... | |
| {} | |
| template <class _Tuple> | |
| _LIBCPP_INLINE_VISIBILITY | |
| typename enable_if | |
| < | |
| __tuple_assignable<_Tuple, tuple<_Tp...> >::value, | |
| __tuple_impl& | |
| >::type | |
| operator=(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_assignable<_Tp&, typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) | |
| { | |
| __swallow(__tuple_leaf<_Indx, _Tp>::operator=(_VSTD::forward<typename tuple_element<_Indx, | |
| typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))...); | |
| return *this; | |
| } | |
| __tuple_impl(const __tuple_impl&) = default; | |
| __tuple_impl(__tuple_impl&&) = default; | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_impl& | |
| operator=(const __tuple_impl& __t) _NOEXCEPT_((__all<is_nothrow_copy_assignable<_Tp>::value...>::value)) | |
| { | |
| __swallow(__tuple_leaf<_Indx, _Tp>::operator=(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t).get())...); | |
| return *this; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY | |
| __tuple_impl& | |
| operator=(__tuple_impl&& __t) _NOEXCEPT_((__all<is_nothrow_move_assignable<_Tp>::value...>::value)) | |
| { | |
| __swallow(__tuple_leaf<_Indx, _Tp>::operator=(_VSTD::forward<_Tp>(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t).get()))...); | |
| return *this; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(__tuple_impl& __t) | |
| _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) | |
| { | |
| __swallow(__tuple_leaf<_Indx, _Tp>::swap(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t))...); | |
| } | |
| }; | |
| template <class ..._Tp> | |
| class _LIBCPP_TYPE_VIS_ONLY tuple | |
| { | |
| typedef __tuple_impl<typename __make_tuple_indices<sizeof...(_Tp)>::type, _Tp...> base; | |
| base base_; | |
| template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename tuple_element<_Jp, tuple<_Up...> >::type& get(tuple<_Up...>&) _NOEXCEPT; | |
| template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| const typename tuple_element<_Jp, tuple<_Up...> >::type& get(const tuple<_Up...>&) _NOEXCEPT; | |
| template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename tuple_element<_Jp, tuple<_Up...> >::type&& get(tuple<_Up...>&&) _NOEXCEPT; | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY | |
| _LIBCPP_CONSTEXPR tuple() | |
| _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit tuple(const _Tp& ... __t) _NOEXCEPT_((__all<is_nothrow_copy_constructible<_Tp>::value...>::value)) | |
| : base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), | |
| typename __make_tuple_indices<0>::type(), | |
| typename __make_tuple_types<tuple, 0>::type(), | |
| __t... | |
| ) {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) | |
| : base_(allocator_arg_t(), __a, | |
| typename __make_tuple_indices<sizeof...(_Tp)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), | |
| typename __make_tuple_indices<0>::type(), | |
| typename __make_tuple_types<tuple, 0>::type(), | |
| __t... | |
| ) {} | |
| template <class ..._Up, | |
| typename enable_if | |
| < | |
| sizeof...(_Up) <= sizeof...(_Tp) && | |
| __tuple_convertible | |
| < | |
| tuple<_Up...>, | |
| typename __make_tuple_types<tuple, | |
| sizeof...(_Up) < sizeof...(_Tp) ? | |
| sizeof...(_Up) : | |
| sizeof...(_Tp)>::type | |
| >::value, | |
| bool | |
| >::type = false | |
| > | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple(_Up&&... __u) | |
| _NOEXCEPT_(( | |
| is_nothrow_constructible< | |
| typename __make_tuple_indices<sizeof...(_Up)>::type, | |
| typename __make_tuple_types<tuple, sizeof...(_Up)>::type, | |
| typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type, | |
| typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type, | |
| _Up... | |
| >::value | |
| )) | |
| : base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), | |
| typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| _VSTD::forward<_Up>(__u)...) {} | |
| template <class ..._Up, | |
| typename enable_if | |
| < | |
| sizeof...(_Up) <= sizeof...(_Tp) && | |
| __tuple_constructible | |
| < | |
| tuple<_Up...>, | |
| typename __make_tuple_types<tuple, | |
| sizeof...(_Up) < sizeof...(_Tp) ? | |
| sizeof...(_Up) : | |
| sizeof...(_Tp)>::type | |
| >::value && | |
| !__tuple_convertible | |
| < | |
| tuple<_Up...>, | |
| typename __make_tuple_types<tuple, | |
| sizeof...(_Up) < sizeof...(_Tp) ? | |
| sizeof...(_Up) : | |
| sizeof...(_Tp)>::type | |
| >::value, | |
| bool | |
| >::type =false | |
| > | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit | |
| tuple(_Up&&... __u) | |
| _NOEXCEPT_(( | |
| is_nothrow_constructible< | |
| typename __make_tuple_indices<sizeof...(_Up)>::type, | |
| typename __make_tuple_types<tuple, sizeof...(_Up)>::type, | |
| typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type, | |
| typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type, | |
| _Up... | |
| >::value | |
| )) | |
| : base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), | |
| typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| _VSTD::forward<_Up>(__u)...) {} | |
| template <class _Alloc, class ..._Up, | |
| class = typename enable_if | |
| < | |
| sizeof...(_Up) <= sizeof...(_Tp) && | |
| __tuple_convertible | |
| < | |
| tuple<_Up...>, | |
| typename __make_tuple_types<tuple, | |
| sizeof...(_Up) < sizeof...(_Tp) ? | |
| sizeof...(_Up) : | |
| sizeof...(_Tp)>::type | |
| >::value | |
| >::type | |
| > | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) | |
| : base_(allocator_arg_t(), __a, | |
| typename __make_tuple_indices<sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), | |
| typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), | |
| _VSTD::forward<_Up>(__u)...) {} | |
| template <class _Tuple, | |
| typename enable_if | |
| < | |
| __tuple_convertible<_Tuple, tuple>::value, | |
| bool | |
| >::type = false | |
| > | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple(_Tuple&& __t) _NOEXCEPT_((is_nothrow_constructible<base, _Tuple>::value)) | |
| : base_(_VSTD::forward<_Tuple>(__t)) {} | |
| template <class _Tuple, | |
| typename enable_if | |
| < | |
| __tuple_constructible<_Tuple, tuple>::value && | |
| !__tuple_convertible<_Tuple, tuple>::value, | |
| bool | |
| >::type = false | |
| > | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| explicit | |
| tuple(_Tuple&& __t) _NOEXCEPT_((is_nothrow_constructible<base, _Tuple>::value)) | |
| : base_(_VSTD::forward<_Tuple>(__t)) {} | |
| template <class _Alloc, class _Tuple, | |
| class = typename enable_if | |
| < | |
| __tuple_convertible<_Tuple, tuple>::value | |
| >::type | |
| > | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) | |
| : base_(allocator_arg_t(), __a, _VSTD::forward<_Tuple>(__t)) {} | |
| template <class _Tuple, | |
| class = typename enable_if | |
| < | |
| __tuple_assignable<_Tuple, tuple>::value | |
| >::type | |
| > | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple& | |
| operator=(_Tuple&& __t) _NOEXCEPT_((is_nothrow_assignable<base&, _Tuple>::value)) | |
| { | |
| base_.operator=(_VSTD::forward<_Tuple>(__t)); | |
| return *this; | |
| } | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(tuple& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) | |
| {base_.swap(__t.base_);} | |
| }; | |
| template <> | |
| class _LIBCPP_TYPE_VIS_ONLY tuple<> | |
| { | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY | |
| _LIBCPP_CONSTEXPR tuple() _NOEXCEPT {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc&) _NOEXCEPT {} | |
| template <class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc&, const tuple&) _NOEXCEPT {} | |
| template <class _Up> | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(array<_Up, 0>) _NOEXCEPT {} | |
| template <class _Alloc, class _Up> | |
| _LIBCPP_INLINE_VISIBILITY | |
| tuple(allocator_arg_t, const _Alloc&, array<_Up, 0>) _NOEXCEPT {} | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(tuple&) _NOEXCEPT {} | |
| }; | |
| template <class ..._Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| typename enable_if | |
| < | |
| __all<__is_swappable<_Tp>::value...>::value, | |
| void | |
| >::type | |
| swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u) | |
| _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) | |
| {__t.swap(__u);} | |
| // get | |
| template <size_t _Ip, class ..._Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename tuple_element<_Ip, tuple<_Tp...> >::type& | |
| get(tuple<_Tp...>& __t) _NOEXCEPT | |
| { | |
| typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; | |
| return static_cast<__tuple_leaf<_Ip, type>&>(__t.base_).get(); | |
| } | |
| template <size_t _Ip, class ..._Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| const typename tuple_element<_Ip, tuple<_Tp...> >::type& | |
| get(const tuple<_Tp...>& __t) _NOEXCEPT | |
| { | |
| typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; | |
| return static_cast<const __tuple_leaf<_Ip, type>&>(__t.base_).get(); | |
| } | |
| template <size_t _Ip, class ..._Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename tuple_element<_Ip, tuple<_Tp...> >::type&& | |
| get(tuple<_Tp...>&& __t) _NOEXCEPT | |
| { | |
| typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; | |
| return static_cast<type&&>( | |
| static_cast<__tuple_leaf<_Ip, type>&&>(__t.base_).get()); | |
| } | |
| #if _LIBCPP_STD_VER > 11 | |
| // get by type | |
| template <typename _T1, size_t _Idx, typename... _Args> | |
| struct __find_exactly_one_t_helper; | |
| // -- find exactly one | |
| template <typename _T1, size_t _Idx, typename... _Args> | |
| struct __find_exactly_one_t_checker { | |
| static constexpr size_t value = _Idx; | |
| // Check the rest of the list to make sure there's only one | |
| static_assert ( __find_exactly_one_t_helper<_T1, 0, _Args...>::value == -1, "type can only occur once in type list" ); | |
| }; | |
| template <typename _T1, size_t _Idx> | |
| struct __find_exactly_one_t_helper <_T1, _Idx> { | |
| static constexpr size_t value = -1; | |
| }; | |
| template <typename _T1, size_t _Idx, typename _Head, typename... _Args> | |
| struct __find_exactly_one_t_helper <_T1, _Idx, _Head, _Args...> { | |
| static constexpr size_t value = | |
| std::conditional< | |
| std::is_same<_T1, _Head>::value, | |
| __find_exactly_one_t_checker<_T1, _Idx, _Args...>, | |
| __find_exactly_one_t_helper <_T1, _Idx+1, _Args...> | |
| >::type::value; | |
| }; | |
| template <typename _T1, typename... _Args> | |
| struct __find_exactly_one_t { | |
| static constexpr size_t value = __find_exactly_one_t_helper<_T1, 0, _Args...>::value; | |
| static_assert ( value != -1, "type not found in type list" ); | |
| }; | |
| template <class _T1, class... _Args> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| constexpr _T1& get(tuple<_Args...>& __tup) noexcept | |
| { | |
| return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); | |
| } | |
| template <class _T1, class... _Args> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| constexpr _T1 const& get(tuple<_Args...> const& __tup) noexcept | |
| { | |
| return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); | |
| } | |
| template <class _T1, class... _Args> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| constexpr _T1&& get(tuple<_Args...>&& __tup) noexcept | |
| { | |
| return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(_VSTD::move(__tup)); | |
| } | |
| #endif | |
| // tie | |
| template <class ..._Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple<_Tp&...> | |
| tie(_Tp&... __t) _NOEXCEPT | |
| { | |
| return tuple<_Tp&...>(__t...); | |
| } | |
| template <class _Up> | |
| struct __ignore_t | |
| { | |
| template <class _Tp> | |
| _LIBCPP_INLINE_VISIBILITY | |
| const __ignore_t& operator=(_Tp&&) const {return *this;} | |
| }; | |
| namespace { const __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>(); } | |
| template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY reference_wrapper; | |
| template <class _Tp> | |
| struct __make_tuple_return_impl | |
| { | |
| typedef _Tp type; | |
| }; | |
| template <class _Tp> | |
| struct __make_tuple_return_impl<reference_wrapper<_Tp> > | |
| { | |
| typedef _Tp& type; | |
| }; | |
| template <class _Tp> | |
| struct __make_tuple_return | |
| { | |
| typedef typename __make_tuple_return_impl<typename decay<_Tp>::type>::type type; | |
| }; | |
| template <class... _Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple<typename __make_tuple_return<_Tp>::type...> | |
| make_tuple(_Tp&&... __t) | |
| { | |
| return tuple<typename __make_tuple_return<_Tp>::type...>(_VSTD::forward<_Tp>(__t)...); | |
| } | |
| template <class... _Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple<_Tp&&...> | |
| forward_as_tuple(_Tp&&... __t) _NOEXCEPT | |
| { | |
| return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...); | |
| } | |
| template <size_t _Ip> | |
| struct __tuple_equal | |
| { | |
| template <class _Tp, class _Up> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool operator()(const _Tp& __x, const _Up& __y) | |
| { | |
| return __tuple_equal<_Ip - 1>()(__x, __y) && _VSTD::get<_Ip-1>(__x) == _VSTD::get<_Ip-1>(__y); | |
| } | |
| }; | |
| template <> | |
| struct __tuple_equal<0> | |
| { | |
| template <class _Tp, class _Up> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool operator()(const _Tp&, const _Up&) | |
| { | |
| return true; | |
| } | |
| }; | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator==(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return __tuple_equal<sizeof...(_Tp)>()(__x, __y); | |
| } | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator!=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return !(__x == __y); | |
| } | |
| template <size_t _Ip> | |
| struct __tuple_less | |
| { | |
| template <class _Tp, class _Up> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool operator()(const _Tp& __x, const _Up& __y) | |
| { | |
| return __tuple_less<_Ip-1>()(__x, __y) || | |
| (!__tuple_less<_Ip-1>()(__y, __x) && _VSTD::get<_Ip-1>(__x) < _VSTD::get<_Ip-1>(__y)); | |
| } | |
| }; | |
| template <> | |
| struct __tuple_less<0> | |
| { | |
| template <class _Tp, class _Up> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool operator()(const _Tp&, const _Up&) | |
| { | |
| return false; | |
| } | |
| }; | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator<(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return __tuple_less<sizeof...(_Tp)>()(__x, __y); | |
| } | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return __y < __x; | |
| } | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator>=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return !(__x < __y); | |
| } | |
| template <class ..._Tp, class ..._Up> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| bool | |
| operator<=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) | |
| { | |
| return !(__y < __x); | |
| } | |
| // tuple_cat | |
| template <class _Tp, class _Up> struct __tuple_cat_type; | |
| template <class ..._Ttypes, class ..._Utypes> | |
| struct __tuple_cat_type<tuple<_Ttypes...>, __tuple_types<_Utypes...> > | |
| { | |
| typedef tuple<_Ttypes..., _Utypes...> type; | |
| }; | |
| template <class _ResultTuple, bool _Is_Tuple0TupleLike, class ..._Tuples> | |
| struct __tuple_cat_return_1 | |
| { | |
| }; | |
| template <class ..._Types, class _Tuple0> | |
| struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0> | |
| { | |
| typedef typename __tuple_cat_type<tuple<_Types...>, | |
| typename __make_tuple_types<typename remove_reference<_Tuple0>::type>::type>::type | |
| type; | |
| }; | |
| template <class ..._Types, class _Tuple0, class _Tuple1, class ..._Tuples> | |
| struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0, _Tuple1, _Tuples...> | |
| : public __tuple_cat_return_1< | |
| typename __tuple_cat_type< | |
| tuple<_Types...>, | |
| typename __make_tuple_types<typename remove_reference<_Tuple0>::type>::type | |
| >::type, | |
| __tuple_like<typename remove_reference<_Tuple1>::type>::value, | |
| _Tuple1, _Tuples...> | |
| { | |
| }; | |
| template <class ..._Tuples> struct __tuple_cat_return; | |
| template <class _Tuple0, class ..._Tuples> | |
| struct __tuple_cat_return<_Tuple0, _Tuples...> | |
| : public __tuple_cat_return_1<tuple<>, | |
| __tuple_like<typename remove_reference<_Tuple0>::type>::value, _Tuple0, | |
| _Tuples...> | |
| { | |
| }; | |
| template <> | |
| struct __tuple_cat_return<> | |
| { | |
| typedef tuple<> type; | |
| }; | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| tuple<> | |
| tuple_cat() | |
| { | |
| return tuple<>(); | |
| } | |
| template <class _Rp, class _Indices, class _Tuple0, class ..._Tuples> | |
| struct __tuple_cat_return_ref_imp; | |
| template <class ..._Types, size_t ..._I0, class _Tuple0> | |
| struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, _Tuple0> | |
| { | |
| typedef typename remove_reference<_Tuple0>::type _T0; | |
| typedef tuple<_Types..., typename __apply_cv<_Tuple0, | |
| typename tuple_element<_I0, _T0>::type>::type&&...> type; | |
| }; | |
| template <class ..._Types, size_t ..._I0, class _Tuple0, class _Tuple1, class ..._Tuples> | |
| struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, | |
| _Tuple0, _Tuple1, _Tuples...> | |
| : public __tuple_cat_return_ref_imp< | |
| tuple<_Types..., typename __apply_cv<_Tuple0, | |
| typename tuple_element<_I0, | |
| typename remove_reference<_Tuple0>::type>::type>::type&&...>, | |
| typename __make_tuple_indices<tuple_size<typename | |
| remove_reference<_Tuple1>::type>::value>::type, | |
| _Tuple1, _Tuples...> | |
| { | |
| }; | |
| template <class _Tuple0, class ..._Tuples> | |
| struct __tuple_cat_return_ref | |
| : public __tuple_cat_return_ref_imp<tuple<>, | |
| typename __make_tuple_indices< | |
| tuple_size<typename remove_reference<_Tuple0>::type>::value | |
| >::type, _Tuple0, _Tuples...> | |
| { | |
| }; | |
| template <class _Types, class _I0, class _J0> | |
| struct __tuple_cat; | |
| template <class ..._Types, size_t ..._I0, size_t ..._J0> | |
| struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J0...> > | |
| { | |
| template <class _Tuple0> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&>::type | |
| operator()(tuple<_Types...> __t, _Tuple0&& __t0) | |
| { | |
| return forward_as_tuple(_VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., | |
| _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))...); | |
| } | |
| template <class _Tuple0, class _Tuple1, class ..._Tuples> | |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&, _Tuple1&&, _Tuples&&...>::type | |
| operator()(tuple<_Types...> __t, _Tuple0&& __t0, _Tuple1&& __t1, _Tuples&& ...__tpls) | |
| { | |
| typedef typename remove_reference<_Tuple0>::type _T0; | |
| typedef typename remove_reference<_Tuple1>::type _T1; | |
| return __tuple_cat< | |
| tuple<_Types..., typename __apply_cv<_Tuple0, typename tuple_element<_J0, _T0>::type>::type&&...>, | |
| typename __make_tuple_indices<sizeof ...(_Types) + tuple_size<_T0>::value>::type, | |
| typename __make_tuple_indices<tuple_size<_T1>::value>::type>() | |
| (forward_as_tuple( | |
| _VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., | |
| _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))... | |
| ), | |
| _VSTD::forward<_Tuple1>(__t1), | |
| _VSTD::forward<_Tuples>(__tpls)...); | |
| } | |
| }; | |
| template <class _Tuple0, class... _Tuples> | |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| typename __tuple_cat_return<_Tuple0, _Tuples...>::type | |
| tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls) | |
| { | |
| typedef typename remove_reference<_Tuple0>::type _T0; | |
| return __tuple_cat<tuple<>, __tuple_indices<>, | |
| typename __make_tuple_indices<tuple_size<_T0>::value>::type>() | |
| (tuple<>(), _VSTD::forward<_Tuple0>(__t0), | |
| _VSTD::forward<_Tuples>(__tpls)...); | |
| } | |
| template <class ..._Tp, class _Alloc> | |
| struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<tuple<_Tp...>, _Alloc> | |
| : true_type {}; | |
| template <class _T1, class _T2> | |
| template <class... _Args1, class... _Args2, size_t ..._I1, size_t ..._I2> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| pair<_T1, _T2>::pair(piecewise_construct_t, | |
| tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args, | |
| __tuple_indices<_I1...>, __tuple_indices<_I2...>) | |
| : first(_VSTD::forward<_Args1>(_VSTD::get<_I1>( __first_args))...), | |
| second(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) | |
| { | |
| } | |
| #endif // _LIBCPP_HAS_NO_VARIADICS | |
| _LIBCPP_END_NAMESPACE_STD | |
| #endif // _LIBCPP_TUPLE |