Update README.md

eeedayu · Apr 3, 2021 · ffa2f33 · ffa2f33
1 parent ea416ee
commit ffa2f33
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/design_pattern/singleton/README.md b/design_pattern/singleton/README.md
@@ -185,7 +185,7 @@ singleton *instance() {
         lock_guard<mutex> guard(lock_);
         if (p == nullptr) {
             singleton *tmp = static_cast<singleton *>(operator new(sizeof(singleton)));
-            new(p)singleton();
+            new(tmp)singleton();
             p = tmp;
         }
     }