How Can Operator Overloading Create Multidimensional Array Access in C ?

Overloading Operator[][] for Multidimensional Arrays

The [] operator can be overloaded multiple times, allowing for the creation of multidimensional arrays. In the case of a two-dimensional array, such overloading empowers you to access elements using the function[row][col] syntax.

Consider the following example code:

class ArrayOfArrays {
public:
    ArrayOfArrays() {
        _arrayofarrays = new int*[10];
        for(int i = 0; i < 10; ++i)
            _arrayofarrays[i] = new int[10];
    }

    class Proxy {
    public:
        Proxy(int* _array) : _array(_array) { }

        int operator[](int index) {
            return _array[index];
        }
    private:
        int* _array;
    };

    Proxy operator[](int index) {
        return Proxy(_arrayofarrays[index]);
    }

private:
    int** _arrayofarrays;
};

This class allows you to create a two-dimensional array and access its elements using the overloaded [] operators. For instance, you could write:

ArrayOfArrays aoa;
aoa[3][5];

This code would access the element at row 3, column 5 of the aoa array. Note that you must provide appropriate bounds checking to ensure that you do not attempt to access elements outside the array's defined bounds.

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