operator[][] C++

Question

I\'d like to overload operator[][] to give internal access to a 2D array of char in C++.

Right now I\'m only overloading operator[], which goes

Answer 1

There is no operator[][]. Evaluating a[x][y] first calls operator[] on a, and then operator[] again on the result of that.

So the operator[] of your object has to return another object with its own operator[], which then will access the requested value.