如何正确地重载“=”操作符来处理重载“[]”操作符的数组?

I have to write a class, IntArray, that is essentially an array with a few extra features (not shown). I have to utilize operator overloading to assign elements to an array of integers within the IntArray object. My program properly retrieves elements in the array but it cannot assign elements in the array. I have to write a class, IntArray, that is esse