C++ assignment operator - compiler generated or custom?

Question

I have a medium complex C++ class which holds a set of data read from disc. It contains an eclectic mix of floats, ints and structures and is now in general use. During a m

Answer 1

It is well-known what the automatically-generated assignment operator will do - that's defined as part of the standard and a standards-compliant C++ compiler will always generate a correctly-behaving assignment operator (if it didn't, then it would not be a standards-compliant compiler).

You usually only need to write your own assignment operator if you've written your own destructor or copy constructor. If you don't need those, then you don't need an assignment operator, either.