On 5/17/22 02:30, forkit wrote: > On Tuesday, 17 May 2022 at 04:37:58 UTC, Ali Çehreli wrote: >> > > In you OOP example, I am curious why you chose Shape to be an interface, > rather than a base class.
I always have the same question. :) interface feels lighterweight, so it is an arbitrary decision for me. I haven't hit any situation where a class would be needed.
One difference is, class requires the 'override' keyword in the subclasses. I really don't know any technical difference.
Ali
