Merge pull request Mooophy#450 from clarelsy/patch-4

Update ex13_28.cpp
stulai · May 4, 2016 · 2f6a104 · 2f6a104
2 parents dc7ed38 + faf6b92
commit 2f6a104
Showing 1 changed file with 2 additions and 7 deletions.
diff --git a/ch13/ex13_28.cpp b/ch13/ex13_28.cpp
@@ -12,13 +12,8 @@ TreeNode& TreeNode::operator=(const TreeNode &rhs)
 {
     ++*rhs.count;
     if (--*count == 0) {
-        if (left) {
-            delete left;
-        }
-        if (right) {
-            delete right;
-        }
-
+        delete left;
+        delete right;
         delete count;
     }
     value = rhs.value;