函数模板

#include <iostream>
#include <string>
using namespace std;

//函数模板
template <typename T>
int compare(const T&t1, const T&t2)
{
	if (t1 > t2) return 1;
	if (t1 < t2)return -1;
	return 0;
}

class Stu
{

};
int main()
{
	string s1 = "abc";
	string s2 = "hello";
	int rv = compare(s1,s2);

#if 0
	//传递指针时，比较的是指针的值0x002ddafc,而不是指向的字符串
	char *p = "hhhh";
	char *q = "fffff";
	rv = compare(p, q);
#endif

	return 0;
}