Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed...

[oota-llvm.git] / include / llvm / ADT / SetVector.h

diff --git a/include/llvm/ADT/SetVector.h b/include/llvm/ADT/SetVector.h
index 76755340258621bc5a01ffbd259aa548e661040f..abe20676d54d88543e6c64bd62384292870822d3 100644 (file)
--- a/include/llvm/ADT/SetVector.h
+++ b/include/llvm/ADT/SetVector.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Reid Spencer and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -21,9 +21,9 @@
 #define LLVM_ADT_SETVECTOR_H
 
 #include "llvm/ADT/SmallSet.h"
-#include <vector>
-#include <cassert>
 #include <algorithm>
+#include <cassert>
+#include <vector>
 
 namespace llvm {
 
@@ -114,13 +114,15 @@ public:
   }
 
   /// @brief Remove an item from the set vector.
-  void remove(const value_type& X) {
+  bool remove(const value_type& X) {
     if (set_.erase(X)) {
       typename vector_type::iterator I =
         std::find(vector_.begin(), vector_.end(), X);
       assert(I != vector_.end() && "Corrupted SetVector instances!");
       vector_.erase(I);
+      return true;
     }
+    return false;
   }
 
 
@@ -143,6 +145,14 @@ public:
     vector_.pop_back();
   }
 
+  bool operator==(const SetVector &that) const {
+    return vector_ == that.vector_;
+  }
+
+  bool operator!=(const SetVector &that) const {
+    return vector_ != that.vector_;
+  }
+
 private:
   set_type set_;         ///< The set.
   vector_type vector_;   ///< The vector.
@@ -154,7 +164,7 @@ template <typename T, unsigned N>
 class SmallSetVector : public SetVector<T, SmallVector<T, N>, SmallSet<T, N> > {
 public:
   SmallSetVector() {}
-  
+
   /// @brief Initialize a SmallSetVector with a range of elements
   template<typename It>
   SmallSetVector(It Start, It End) {