From 8ab0a124e1bdbfc7d5d579c9c63b28a4f1253d38 Mon Sep 17 00:00:00 2001
From: Fredrik Kjolstad <fred@csail.mit.edu>
Date: Fri, 27 Apr 2018 10:27:27 -0400
Subject: [PATCH] Removes unnecessary overloaded operator

---
 include/taco/index_notation/index_notation.h | 6 +++++-
 src/index_notation/index_notation.cpp        | 4 ----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/taco/index_notation/index_notation.h b/include/taco/index_notation/index_notation.h
index 2c75b5cac..ba030ac42 100644
--- a/include/taco/index_notation/index_notation.h
+++ b/include/taco/index_notation/index_notation.h
@@ -173,7 +173,12 @@ class Access : public IndexExpr {
   const std::vector<IndexVar>& getIndexVars() const;
 
   /// Assign the result of an expression to a left-hand-side tensor access.
+  /// ```
+  /// a(i) = b(i) * c(i);
+  /// ```
   Assignment operator=(const IndexExpr&);
+
+  // Must override the default Access operator=, otherwise it is a copy.
   Assignment operator=(const Access&);
 
   /// Accumulate the result of an expression to a left-hand-side tensor access.
@@ -181,7 +186,6 @@ class Access : public IndexExpr {
   /// a(i) += B(i,j) * c(j);
   /// ```
   void operator+=(const IndexExpr&);
-  void operator+=(const Access&);
 
 private:
   const Node* getPtr() const;
diff --git a/src/index_notation/index_notation.cpp b/src/index_notation/index_notation.cpp
index 27a445fc1..f27574cb3 100644
--- a/src/index_notation/index_notation.cpp
+++ b/src/index_notation/index_notation.cpp
@@ -250,10 +250,6 @@ void Access::operator+=(const IndexExpr& expr) {
   const_cast<AccessNode*>(getPtr())->setIndexExpression(expr, true);
 }
 
-void Access::operator+=(const Access& expr) {
-  operator+=(static_cast<IndexExpr>(expr));
-}
-
 
 // class Sum
 Reduction::Reduction(const Node* n) : IndexExpr(n) {