[fpc-devel] Interface delegation fix: backport to FPC 2.4.2 ...?

[Marco van de Voort]

In our previous episode, Vincent Snijders said:
> > @Michael van Canneyt
> >   Have we come to a decision about Observer support in FPC base classes?
> > This would obviously help what I am doing now as well - but I guess
> > something like that will not make it into FPC 2.4.2 even if the answer is
> > yes for Observer in base classes?
> 
> Is there a patch to review, so I can see what this discussion is all 
> about? I wonder if something like class helpers is able to solve this, 
> like Matt suggested. It would be useful for other things, not yet 
> possible ...

I'm maybe confused myself. I was thinking about Observable, not Observer.

That at least mitigate having to monitor state (in every method that changes
the state of the object) and also keeps no state (the list is also in
Observable)