overloading operator()

[Waseem Iam]

How do i overload () opertor in c++, please give me a simple example.

 

[Juha Nieminen]

How do i overload () opertor in c++, please give me a simple example.

struct Doubler
{
int operator()(int value) const { return value * 2; }
};

int main()
{
Doubler doublerFunctor;

std::cout << doublerFunctor(5) << "\n";
}