Add difference_type to ImmutableMap/Set iterators so they have a complete set of...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188579 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
index a667479..8f8fb98 100644 (file)
--- a/include/llvm/ADT/ImmutableMap.h
+++ b/include/llvm/ADT/ImmutableMap.h
@@ -211,6 +211,7 @@ public:
     friend class ImmutableMap;
 
   public:
+    typedef ptrdiff_t difference_type;
     typedef typename ImmutableMap<KeyT,ValT,ValInfo>::value_type value_type;
     typedef typename ImmutableMap<KeyT,ValT,ValInfo>::value_type_ref reference;
     typedef typename iterator::value_type *pointer;

diff --git a/include/llvm/ADT/ImmutableSet.h b/include/llvm/ADT/ImmutableSet.h
index fbdf066..2a0579e 100644 (file)
--- a/include/llvm/ADT/ImmutableSet.h
+++ b/include/llvm/ADT/ImmutableSet.h
@@ -1060,6 +1060,7 @@ public:
     friend class ImmutableSet<ValT,ValInfo>;
 
   public:
+    typedef ptrdiff_t difference_type;
     typedef typename ImmutableSet<ValT,ValInfo>::value_type value_type;
     typedef typename ImmutableSet<ValT,ValInfo>::value_type_ref reference;
     typedef typename iterator::value_type *pointer;