1 #include <iostream>
2 using namespace std;
3
4 //宏多态;a,b可以不同类型
5 #define sum(a,b) ((a) + (b))
6
7 class Base
8 {
9 public:
10 void Print() //不需要定义为虚函数
11 {
12 cout << "base Print() functions" << endl;
13 }
14 void Print(int val) //重载,根据参数列表不同实现函数多态
15 {
16 cout << "base Print(int) functions" << endl;
17 }
18 };
19
20 class child : public Base
21 {
22 public:
23 void Print() //不需要定义为虚函数
24 {
25 cout << "child Print() functions" << endl;
26 }
27 void Print(int val) //重载,根据参数列表不同实现函数多态
28 {
29 cout << "child Print(int) functions" << endl;
30 }
31
32 };
33
34 template<typename T>
35 void func(T &p)
36 {
37 p.Print();
38 p.Print(1);
39 }
40
41 int main()
42 {
43 Base base ;
44 child ch;
45 int a = 23, b = 19;
46 double fa = 13.32, fb = 29.36;
47 func(base);
48 func(ch);
49
50 cout << sum(a,b) << endl;
51 cout << sum(fa,fb) << endl;
52 return 0;
53 }
