C / C++ / MFC

George_George wrote:

Sometimes, we allocate array of zero elements.

Rajkumar R wrote:

"int const &x" and "int & const x" are different although the former is not allowed.

int main()
{
	int const &x = 10;

	return 0;
}

int main()
{
	int i = 100;
	int & const x = i;

	return 0;
}

int main()
{
	int a = 10;
	int b = 20;
	// if using const int& p, will not compile
	int& pi = a;
	pi = b;
	
	return 0;
}