摘要: 一、引用形参考虑下面不适宜复制实参的例子,该函数希望交换两个实参的值:1 // incorrect version of swap: The arguments are not changed!2 void swap(int v1, int v2)3 {4 int tmp = v2;5 v2 = v1; // assigns new value to local copy of the argument6 v1 = tmp;7 } // local objects ... 阅读全文
posted @ 2013-03-27 17:37 HandsomeDragon 阅读(323) 评论(0) 推荐(0)