Re: Issues subclassing NSMutableArray

[mickbert]

On 24.02.2020 11:53, Wolfgang Lux wrote:
> The trick here is that the alloc method in the NSMutableArray class
> has a special case to allocate a GSMutableArray instance when called
> on the NSMutableArray class, but not so for any subclass. So
> [NSMutableArray alloc] returns a GSMutableArray instance, while
> [MyMutableArray alloc] returns a MyMutableArray instance.

Now I understand better. I had a look to the sources, and what I found 
surprised me: in few places I found

    if (self == NSMutableArrayClass)

So it is specifically designed not to allow subclassing (which is 
meaningful, from some point of view).
Thanks for clarification.
--
Mick