C++笔记(3)类中与类外的运算符重载.

重载>>
 1#include <iostream>
 2using namespace std;
 3
 4//类内重载
 5class string_A
 6{
 7    public:
 8        void operator >> (istream & input)
 9        {
10            
11        }
;
12}
;
13
14void main()
15{
16    string_A string_a;
17    //cin>>string_a;    //Fail!!
18    string_a>>cin;
19}

20
21//类外重载
22class string_B
23{
24    public:
25        
26}
;
27
28void operator >> (istream & input, string_B &output)
29{
30        
31}
;
32
33void Test()
34{
35    string_B string_b;
36    cin>>string_b;
37    //string_b>>cin;    //Fail
38}

Powered by Jekyll and Theme by solid

本站总访问量