From 822b20b06529e2439fe296c5fe1ef277436c5c0b Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty.wagner@gmail.com>
Date: Tue, 15 Mar 2022 15:33:39 -0400
Subject: Fix usage of deprecated std::iterator in rapidjson

---
 rapidjson/document.h | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/rapidjson/document.h b/rapidjson/document.h
index f873c272..fcb2d663 100644
--- a/rapidjson/document.h
+++ b/rapidjson/document.h
@@ -99,17 +99,20 @@ struct GenericMember {
  */
 template <bool Const, typename Encoding, typename Allocator>
 class GenericMemberIterator
-    : public std::iterator<std::random_access_iterator_tag
-        , typename internal::MaybeAddConst<Const,GenericMember<Encoding,Allocator> >::Type> {
-
+{
     friend class GenericValue<Encoding,Allocator>;
     template <bool, typename, typename> friend class GenericMemberIterator;
 
     typedef GenericMember<Encoding,Allocator> PlainType;
     typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType;
-    typedef std::iterator<std::random_access_iterator_tag,ValueType> BaseType;
 
 public:
+    using iterator_category = std::random_access_iterator_tag;
+    using value_type = typename internal::MaybeAddConst<Const, GenericMember<Encoding, Allocator>>::Type;
+    using difference_type = ptrdiff_t;
+    using pointer = value_type*;
+    using reference = value_type&;
+
     //! Iterator type itself
     typedef GenericMemberIterator Iterator;
     //! Constant iterator type
@@ -118,11 +121,11 @@ public:
     typedef GenericMemberIterator<false,Encoding,Allocator> NonConstIterator;
 
     //! Pointer to (const) GenericMember
-    typedef typename BaseType::pointer         Pointer;
+    typedef pointer Pointer;
     //! Reference to (const) GenericMember
-    typedef typename BaseType::reference       Reference;
+    typedef reference Reference;
     //! Signed integer type (e.g. \c ptrdiff_t)
-    typedef typename BaseType::difference_type DifferenceType;
+    typedef difference_type DifferenceType;
 
     //! Default constructor (singular value)
     /*! Creates an iterator pointing to no element.
-- 
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