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

[Michael Van Canneyt]

On Wed, 19 May 2010, Marco van de Voort wrote:

> 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)

Observable and Observer go hand in hand. We're talking about both.
Specifically, I want to add observable to TPersistent.

And yes, I have an implementation, it's currently outside the classes
unit, but the whole point is to insert it into Classes.

Michael.