Shulou(Shulou.com)06/02 Report--

C++ in mem_fun and mem_fun_ref how to use, many novices are not very clear, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

Suppose we have one of the following classes:

Class A {

Public:

A (int x 0): val (x) {}

Void print () {cout

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