Просмотр исходного текста страницы C++/Overload/Return Operator

==Operator as return type==



   
<source lang="cpp">
#include <iostream>
using namespace std;
int p(int base, int exp);
class Power {
  int base;
  int exp;
public:
  Power(int b, int e) { 
     base = b; exp = e; 
  }
  operator int() { 
     return p(base, exp); 
  }
};
// Return base to the exp power.
int p(int base, int exp)
{
  int temp;
  for(temp=1; exp; exp--) 
     temp = temp * base;
  return temp;
}
 int main()
{
  Power object1(2, 3), object2(3, 3);
  int result;
  result = object1;
  cout << result << "\n";
  result = object2;
  cout << result << "\n";
  cout << object1 + 100 << "\n";
  return 0;
}

           
       </source>