> Background: > Just a little background into what I was trying to achieve (I could be wrong): > > - I have a set of classes C1, C2, C3 which has a lot of common code > > - I would like to build something that can be reused without exposing the > implementation details. (I can subclass but would expose the underlying > functions, same applies to protocol as well) > > - I thought I would build helper class / struct which would contain the > common code. I can make the helper a private property so that the functions > wouldn’t be exposed to the instances of C1, C2, C3. In order to achieve that > I had to pass some functions from C1 into the Helper struct. > > Question 2: > - Is this problem (hiding implementation details) normally tackled using > Helper class (or struct) or is there a more better approach ?
Usually, as long as the protocol doesn't reference self or have associated types, I would use a protocol as the "abstract" type and then you could implement it in either a class or struct. Joanna -- Joanna Carter Carter Consulting _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users
