1 #include <iostream>
2 using namespace std;
3
4 class Good
5 {
6 public:
7 int member;
8 Good(int a): member(a)
9 {
10 cout << "调用构造" << endl;
11 cout << "member =" << member << endl;
12 }
13 void show()
14 {
15 cout << member << endl;
16 }
17
18 operator int()
19 {
20 return member;
21 }
22
23 operator bool()
24 {
25 cout << "调用bool转换" << endl;
26 return (bool)member;
27 }
28
29 };
30
31 int main(int argc, char *argv[])
32 {
33 Good a(10), b(20);
34 cout << (bool)a << endl;
35 a.show();
36 return 0;
37 }