21-04-14 backup

dncgc · dncgc · commit 0610ad4afa6c · 2021-04-14T00:00:01.000+08:00
diff --git a/cpp程序设计/28.vector.cpp b/cpp程序设计/28.vector.cpp
@@ -19,7 +19,7 @@ class A {
 };
 
 ostream &operator<<(ostream &out, const A &a) {
-    cout << "Class A : " << a.x;
+    out << "Class A : " << a.x;
     return out;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@ class A {`
`19`	`19`	`};`
`20`	`20`
`21`	`21`	`ostream &operator<<(ostream &out, const A &a) {`
`22`		`- cout << "Class A : " << a.x;`
	`22`	`+ out << "Class A : " << a.x;`
`23`	`23`	`return out;`
`24`	`24`	`}`
`25`	`25`