book: fix smart pointers (changkun#90)

hvning · Jan 8, 2020 · e5450c7 · e5450c7
1 parent bc4ff8f
commit e5450c7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/book/zh-cn/05-pointers.md b/book/zh-cn/05-pointers.md
@@ -160,8 +160,8 @@ struct B {
 int main() {
     auto a = std::make_shared<A>();
     auto b = std::make_shared<B>();
-    a.pointer = b;
-    b.pointer = a;
+    a->pointer = b;
+    b->pointer = a;
 }
 ```