Материал из C\C++ эксперт
Overloading De-reference operator
#include <iostream>
using std::cout;
using std::endl;
class MyType {
public:
MyType (int arg = 0) : x(arg) {}
bool operator!=(const MyType& arg) const {
return x != arg.x;
}
int operator*() const { return x; }
MyType& operator++() {
++x;
return *this;
}
const MyType operator++(int) {
MyType temp(*this);
++x;
return temp;
}
private:
int x;
};
template <typename Iter>
double average(Iter a, Iter end) {
double sum = 0.0;
for( ; a != end ;){
cout << *a++;
sum += *a++;
}
return sum;
}
int main() {
MyType first(1);
MyType last(11);
cout << average(first, last) << endl;
return 0;
}1357930
