ex6_08.cpp

来自「Visual C++ 2005的源代码」· C++ 代码 · 共 34 行

// Ex6_08.cpp
// Using function templates
#include <iostream>
using std::cout;
using std::endl;

// Template for function to compute the maximum element of an array
template<typename T> T max(T x[], int len)
{
   T max = x[0];
   for(int i = 1; i < len; i++)
      if(max < x[i])
         max = x[i];
   return max;
}

int main(void)
{
   int small[] = { 1, 24, 34, 22};
   long medium[] = { 23, 245, 123, 1, 234, 2345};
   double large[] = { 23.0, 1.4, 2.456, 345.5, 12.0, 21.0};

   int lensmall = sizeof small/sizeof small[0];
   int lenmedium = sizeof medium/sizeof medium[0];
   int lenlarge = sizeof large/sizeof large[0];

   cout << endl << max(small, lensmall);
   cout << endl << max(medium, lenmedium);
   cout << endl << max(large, lenlarge);

   cout << endl;
   return 0;
}