Multiple Inheritance
Multiple Inheritance
- Subject: Multiple Inheritance
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Thu, 24 May 2012 16:14:45 +0700
I have an abstract class M with subclasses MAB, MAX, MXB.
There are several lengthy methods A which are used in MAB and MAX, and others methods B which are used in MAB and MXB.
Methods A use a property NSUInteger index.
Class MXB has no such property, is has NSIndexSet *indices instead.
Similar for methods B.
Currently these common methods are present in both classes.
But: this is less than perfect - meaning that each change has to be done twice.
What to do?
Have a file methodsA.m which is included in both MAB and MAX (and same for methodsB.m) ?
Other, better solutions?
Kind regards,
Gerriet.
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