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authorAndrey Khalyavin <[email protected]>2022-02-10 16:46:30 +0300
committerDaniil Cherednik <[email protected]>2022-02-10 16:46:30 +0300
commit4b839d0704ee9be1dabb0310a1f03af24963637b (patch)
tree1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
parentf773626848a7c7456803654292e716b83d69cc12 (diff)
Restoring authorship annotation for Andrey Khalyavin <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h')
-rw-r--r--contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h602
1 files changed, 301 insertions, 301 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h b/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
index c98f6dc959f..0a978914b1a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
@@ -1,301 +1,301 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___ITERATOR_WRAP_ITER_H
-#define _LIBCPP___ITERATOR_WRAP_ITER_H
-
-#include <__config>
-#include <__debug>
-#include <__iterator/iterator_traits.h>
-#include <__memory/pointer_traits.h>
-#include <type_traits>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-template <class _Iter>
-class __wrap_iter
-{
-public:
- typedef _Iter iterator_type;
- typedef typename iterator_traits<iterator_type>::value_type value_type;
- typedef typename iterator_traits<iterator_type>::difference_type difference_type;
- typedef typename iterator_traits<iterator_type>::pointer pointer;
- typedef typename iterator_traits<iterator_type>::reference reference;
- typedef typename iterator_traits<iterator_type>::iterator_category iterator_category;
-#if _LIBCPP_STD_VER > 17
- typedef contiguous_iterator_tag iterator_concept;
-#endif
-
-private:
- iterator_type __i;
-public:
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter() _NOEXCEPT
-#if _LIBCPP_STD_VER > 11
- : __i{}
-#endif
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- __get_db()->__insert_i(this);
-#endif
- }
- template <class _Up> _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
- __wrap_iter(const __wrap_iter<_Up>& __u,
- typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = nullptr) _NOEXCEPT
- : __i(__u.base())
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- __get_db()->__iterator_copy(this, &__u);
-#endif
- }
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
- __wrap_iter(const __wrap_iter& __x)
- : __i(__x.base())
- {
- __get_db()->__iterator_copy(this, &__x);
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
- __wrap_iter& operator=(const __wrap_iter& __x)
- {
- if (this != &__x)
- {
- __get_db()->__iterator_copy(this, &__x);
- __i = __x.__i;
- }
- return *this;
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
- ~__wrap_iter()
- {
- __get_db()->__erase_i(this);
- }
-#endif
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference operator*() const _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
- "Attempted to dereference a non-dereferenceable iterator");
-#endif
- return *__i;
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG pointer operator->() const _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
- "Attempted to dereference a non-dereferenceable iterator");
-#endif
- return _VSTD::__to_address(__i);
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator++() _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
- "Attempted to increment a non-incrementable iterator");
-#endif
- ++__i;
- return *this;
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator++(int) _NOEXCEPT
- {__wrap_iter __tmp(*this); ++(*this); return __tmp;}
-
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator--() _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__decrementable(this),
- "Attempted to decrement a non-decrementable iterator");
-#endif
- --__i;
- return *this;
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator--(int) _NOEXCEPT
- {__wrap_iter __tmp(*this); --(*this); return __tmp;}
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator+ (difference_type __n) const _NOEXCEPT
- {__wrap_iter __w(*this); __w += __n; return __w;}
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator+=(difference_type __n) _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__addable(this, __n),
- "Attempted to add/subtract an iterator outside its valid range");
-#endif
- __i += __n;
- return *this;
- }
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator- (difference_type __n) const _NOEXCEPT
- {return *this + (-__n);}
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator-=(difference_type __n) _NOEXCEPT
- {*this += -__n; return *this;}
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference operator[](difference_type __n) const _NOEXCEPT
- {
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__subscriptable(this, __n),
- "Attempted to subscript an iterator outside its valid range");
-#endif
- return __i[__n];
- }
-
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG iterator_type base() const _NOEXCEPT {return __i;}
-
-private:
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(const void* __p, iterator_type __x) : __i(__x)
- {
- __get_db()->__insert_ic(this, __p);
- }
-#else
- _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {}
-#endif
-
- template <class _Up> friend class __wrap_iter;
- template <class _CharT, class _Traits, class _Alloc> friend class basic_string;
- template <class _Tp, class _Alloc> friend class _LIBCPP_TEMPLATE_VIS vector;
- template <class _Tp, size_t> friend class _LIBCPP_TEMPLATE_VIS span;
-};
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
- return __x.base() == __y.base();
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
- return __x.base() == __y.base();
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
- "Attempted to compare incomparable iterators");
-#endif
- return __x.base() < __y.base();
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
- "Attempted to compare incomparable iterators");
-#endif
- return __x.base() < __y.base();
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
- return !(__x == __y);
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
- return !(__x == __y);
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
- return __y < __x;
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
- return __y < __x;
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
- return !(__x < __y);
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
- return !(__x < __y);
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
-{
- return !(__y < __x);
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-{
- return !(__y < __x);
-}
-
-template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-#ifndef _LIBCPP_CXX03_LANG
-auto operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
- -> decltype(__x.base() - __y.base())
-#else
-typename __wrap_iter<_Iter1>::difference_type
-operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
-#endif // C++03
-{
-#if _LIBCPP_DEBUG_LEVEL == 2
- _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
- "Attempted to subtract incompatible iterators");
-#endif
- return __x.base() - __y.base();
-}
-
-template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
-__wrap_iter<_Iter1> operator+(typename __wrap_iter<_Iter1>::difference_type __n, __wrap_iter<_Iter1> __x) _NOEXCEPT
-{
- __x += __n;
- return __x;
-}
-
-#if _LIBCPP_STD_VER <= 17
-template <class _It>
-struct __is_cpp17_contiguous_iterator<__wrap_iter<_It> > : true_type {};
-#endif
-
-template <class _It>
-struct _LIBCPP_TEMPLATE_VIS pointer_traits<__wrap_iter<_It> >
-{
- typedef __wrap_iter<_It> pointer;
- typedef typename pointer_traits<_It>::element_type element_type;
- typedef typename pointer_traits<_It>::difference_type difference_type;
-
- _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
- static element_type *to_address(pointer __w) _NOEXCEPT {
- return _VSTD::__to_address(__w.base());
- }
-};
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // _LIBCPP___ITERATOR_WRAP_ITER_H
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___ITERATOR_WRAP_ITER_H
+#define _LIBCPP___ITERATOR_WRAP_ITER_H
+
+#include <__config>
+#include <__debug>
+#include <__iterator/iterator_traits.h>
+#include <__memory/pointer_traits.h>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Iter>
+class __wrap_iter
+{
+public:
+ typedef _Iter iterator_type;
+ typedef typename iterator_traits<iterator_type>::value_type value_type;
+ typedef typename iterator_traits<iterator_type>::difference_type difference_type;
+ typedef typename iterator_traits<iterator_type>::pointer pointer;
+ typedef typename iterator_traits<iterator_type>::reference reference;
+ typedef typename iterator_traits<iterator_type>::iterator_category iterator_category;
+#if _LIBCPP_STD_VER > 17
+ typedef contiguous_iterator_tag iterator_concept;
+#endif
+
+private:
+ iterator_type __i;
+public:
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter() _NOEXCEPT
+#if _LIBCPP_STD_VER > 11
+ : __i{}
+#endif
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ __get_db()->__insert_i(this);
+#endif
+ }
+ template <class _Up> _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+ __wrap_iter(const __wrap_iter<_Up>& __u,
+ typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = nullptr) _NOEXCEPT
+ : __i(__u.base())
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ __get_db()->__iterator_copy(this, &__u);
+#endif
+ }
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+ __wrap_iter(const __wrap_iter& __x)
+ : __i(__x.base())
+ {
+ __get_db()->__iterator_copy(this, &__x);
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+ __wrap_iter& operator=(const __wrap_iter& __x)
+ {
+ if (this != &__x)
+ {
+ __get_db()->__iterator_copy(this, &__x);
+ __i = __x.__i;
+ }
+ return *this;
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+ ~__wrap_iter()
+ {
+ __get_db()->__erase_i(this);
+ }
+#endif
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference operator*() const _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
+ "Attempted to dereference a non-dereferenceable iterator");
+#endif
+ return *__i;
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG pointer operator->() const _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
+ "Attempted to dereference a non-dereferenceable iterator");
+#endif
+ return _VSTD::__to_address(__i);
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator++() _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
+ "Attempted to increment a non-incrementable iterator");
+#endif
+ ++__i;
+ return *this;
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator++(int) _NOEXCEPT
+ {__wrap_iter __tmp(*this); ++(*this); return __tmp;}
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator--() _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__decrementable(this),
+ "Attempted to decrement a non-decrementable iterator");
+#endif
+ --__i;
+ return *this;
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator--(int) _NOEXCEPT
+ {__wrap_iter __tmp(*this); --(*this); return __tmp;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator+ (difference_type __n) const _NOEXCEPT
+ {__wrap_iter __w(*this); __w += __n; return __w;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator+=(difference_type __n) _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__addable(this, __n),
+ "Attempted to add/subtract an iterator outside its valid range");
+#endif
+ __i += __n;
+ return *this;
+ }
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter operator- (difference_type __n) const _NOEXCEPT
+ {return *this + (-__n);}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator-=(difference_type __n) _NOEXCEPT
+ {*this += -__n; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference operator[](difference_type __n) const _NOEXCEPT
+ {
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__subscriptable(this, __n),
+ "Attempted to subscript an iterator outside its valid range");
+#endif
+ return __i[__n];
+ }
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG iterator_type base() const _NOEXCEPT {return __i;}
+
+private:
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(const void* __p, iterator_type __x) : __i(__x)
+ {
+ __get_db()->__insert_ic(this, __p);
+ }
+#else
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {}
+#endif
+
+ template <class _Up> friend class __wrap_iter;
+ template <class _CharT, class _Traits, class _Alloc> friend class basic_string;
+ template <class _Tp, class _Alloc> friend class _LIBCPP_TEMPLATE_VIS vector;
+ template <class _Tp, size_t> friend class _LIBCPP_TEMPLATE_VIS span;
+};
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+ return __x.base() == __y.base();
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+ return __x.base() == __y.base();
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
+ "Attempted to compare incomparable iterators");
+#endif
+ return __x.base() < __y.base();
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
+ "Attempted to compare incomparable iterators");
+#endif
+ return __x.base() < __y.base();
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+ return !(__x == __y);
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+ return !(__x == __y);
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+ return __y < __x;
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+ return __y < __x;
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+ return !(__x < __y);
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+ return !(__x < __y);
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
+{
+ return !(__y < __x);
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+{
+ return !(__y < __x);
+}
+
+template <class _Iter1, class _Iter2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+#ifndef _LIBCPP_CXX03_LANG
+auto operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+ -> decltype(__x.base() - __y.base())
+#else
+typename __wrap_iter<_Iter1>::difference_type
+operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+#endif // C++03
+{
+#if _LIBCPP_DEBUG_LEVEL == 2
+ _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
+ "Attempted to subtract incompatible iterators");
+#endif
+ return __x.base() - __y.base();
+}
+
+template <class _Iter1>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+__wrap_iter<_Iter1> operator+(typename __wrap_iter<_Iter1>::difference_type __n, __wrap_iter<_Iter1> __x) _NOEXCEPT
+{
+ __x += __n;
+ return __x;
+}
+
+#if _LIBCPP_STD_VER <= 17
+template <class _It>
+struct __is_cpp17_contiguous_iterator<__wrap_iter<_It> > : true_type {};
+#endif
+
+template <class _It>
+struct _LIBCPP_TEMPLATE_VIS pointer_traits<__wrap_iter<_It> >
+{
+ typedef __wrap_iter<_It> pointer;
+ typedef typename pointer_traits<_It>::element_type element_type;
+ typedef typename pointer_traits<_It>::difference_type difference_type;
+
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
+ static element_type *to_address(pointer __w) _NOEXCEPT {
+ return _VSTD::__to_address(__w.base());
+ }
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ITERATOR_WRAP_ITER_H