[libcxx-commits] [libcxx] [libc++] Remove non-standard member type iterator_type from __wrap_iter (PR #186871)

Nikhil Kotikalapudi via libcxx-commits libcxx-commits at lists.llvm.org
Thu Mar 19 23:18:37 PDT 2026


https://github.com/23silicon updated https://github.com/llvm/llvm-project/pull/186871

>From 10773ce2061f376afbf534afc7428b59cb9fbff1 Mon Sep 17 00:00:00 2001
From: 23silicon <nak00001 at outlook.com>
Date: Mon, 16 Mar 2026 15:21:22 -0400
Subject: [PATCH] removed iterator_type member type from __wrap_iter in libcxx,
 23.rst update

23.rst update

revert changes in legacy libc++ wrap_iter.h

release notes fix
---
 libcxx/docs/ReleaseNotes/23.rst       |  4 ++--
 libcxx/include/__iterator/wrap_iter.h | 15 +++++++--------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/libcxx/docs/ReleaseNotes/23.rst b/libcxx/docs/ReleaseNotes/23.rst
index 4441a8aed198c3..9fcb0bbe98303e 100644
--- a/libcxx/docs/ReleaseNotes/23.rst
+++ b/libcxx/docs/ReleaseNotes/23.rst
@@ -55,8 +55,8 @@ Deprecations and Removals
 - The ``std::launch::any`` enumerator that was accidentally provided as an extension is now deprecated.
   It will be removed in LLVM 25.
 
-- ``__wrap_iter``'s (iterator type for ``array``, ``span``, ``string``, ``string_view`` and ``vector``) ``base()``
-  method has been removed as it was non-standard.
+- In ``__wrap_iter`` (iterator wrapper type for ``array``, ``span``, ``string``, ``string_view`` and ``vector``), 
+  the ``base()`` method and ``iterator_type`` member type have been removed as they are non-standard.
 
 Potentially breaking changes
 ----------------------------
diff --git a/libcxx/include/__iterator/wrap_iter.h b/libcxx/include/__iterator/wrap_iter.h
index c1b27b8242cd9b..576adfbce38412 100644
--- a/libcxx/include/__iterator/wrap_iter.h
+++ b/libcxx/include/__iterator/wrap_iter.h
@@ -34,18 +34,17 @@ _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;
+  typedef typename iterator_traits<_Iter>::value_type value_type;
+  typedef typename iterator_traits<_Iter>::difference_type difference_type;
+  typedef typename iterator_traits<_Iter>::pointer pointer;
+  typedef typename iterator_traits<_Iter>::reference reference;
+  typedef typename iterator_traits<_Iter>::iterator_category iterator_category;
 #if _LIBCPP_STD_VER >= 20
   typedef contiguous_iterator_tag iterator_concept;
 #endif
 
 private:
-  iterator_type __i_;
+  _Iter __i_;
 
   friend struct pointer_traits<__wrap_iter<_Iter> >;
 
@@ -103,7 +102,7 @@ class __wrap_iter {
   }
 
 private:
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit __wrap_iter(iterator_type __x) _NOEXCEPT : __i_(__x) {}
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit __wrap_iter(_Iter __x) _NOEXCEPT : __i_(__x) {}
 
   template <class _Up>
   friend class __wrap_iter;



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