[llvm] r242865 - SetVector: add reverse_iterator support.

[Richard Smith]

Author: rsmith
Date: Tue Jul 21 20:30:58 2015
New Revision: 242865

URL: http://llvm.org/viewvc/llvm-project?rev=242865&view=rev
Log:
SetVector: add reverse_iterator support.

Modified:
    llvm/trunk/include/llvm/ADT/SetVector.h

Modified: llvm/trunk/include/llvm/ADT/SetVector.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/SetVector.h?rev=242865&r1=242864&r2=242865&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/SetVector.h (original)
+++ llvm/trunk/include/llvm/ADT/SetVector.h Tue Jul 21 20:30:58 2015
@@ -44,6 +44,8 @@ public:
   typedef Vector vector_type;
   typedef typename vector_type::const_iterator iterator;
   typedef typename vector_type::const_iterator const_iterator;
+  typedef typename vector_type::const_reverse_iterator reverse_iterator;
+  typedef typename vector_type::const_reverse_iterator const_reverse_iterator;
   typedef typename vector_type::size_type size_type;
 
   /// \brief Construct an empty SetVector
@@ -85,6 +87,26 @@ public:
     return vector_.end();
   }
 
+  /// \brief Get an reverse_iterator to the end of the SetVector.
+  reverse_iterator rbegin() {
+    return vector_.rbegin();
+  }
+
+  /// \brief Get a const_reverse_iterator to the end of the SetVector.
+  const_reverse_iterator rbegin() const {
+    return vector_.rbegin();
+  }
+
+  /// \brief Get a reverse_iterator to the beginning of the SetVector.
+  reverse_iterator rend() {
+    return vector_.rend();
+  }
+
+  /// \brief Get a const_reverse_iterator to the beginning of the SetVector.
+  const_reverse_iterator rend() const {
+    return vector_.rend();
+  }
+
   /// \brief Return the last element of the SetVector.
   const T &back() const {
     assert(!empty() && "Cannot call back() on empty SetVector!");