a_11_3.cpp

C++应用教程原码,里面包含该书中有十三章内容的代码,详细具体

#include "stdafx.h"
#include <iostream>
#include <string>
#include <cstring>
using namespace std;
template <class T>
T Max(T x, T y) { 
  cout<<"调用max(T x, T y),最大值为";
  return x > y ? x:y;
}
template <>
char * Max <char *>(char *x, char *y) { 
  cout<<"调用函数模板特例,最大值为";
  return (strcmp(x , y)>0 ? x:y);
}

template <class U, int size> 
U Max(U (&s)[size]) { 
  cout<<"调用max(U (&s) [size]),最大值为";
  U tempmax = s[0];
  for (int i = 0;i<size;i++)
	  if (tempmax < s[i])
		  tempmax = s[i];
  return tempmax;
}

void main() {
int x = 8, y = 23;
char *m="adaafasd",*n="adgdsadf";
double a[5] ={ 2.342, 11.346, 8.93, 18.111,5.930};

cout << Max(x,y) << endl;
cout << Max(m,n)<<endl;
cout << Max(a); 
cin.get(); //等待结束，以便调测程序，可以删除
}