1 #include <iostream>
2 using namespace std;
3
4 //模板可以设置有默认值
5 template <
class T =
char*,
int n =
10>
6 void hello(T str)
7 {
8 cout << n <<
endl;
9 cout << str <<
endl;
10 }
11
12 //节约输入参数
13 template <
class T1 =
int,
class T2 =
int ,
class T3 =
int>
14 void show(T1 t1 =
1, T2 t2 =
2, T3 t3 =
3)
15 {
16 cout << t1 << t2 << t3 <<
endl;
17 }
18
19
20 void main()
21 {
22 //函数模板调用可以自己推导类型也可以自己赋予类型
23 hello<
char *,
100>(
"hello");
24 show<
int,
int,
int>
();
25 cin.
get();
26 }
转载于:https://www.cnblogs.com/xiaochi/p/8552902.html
