[fpc-devel] class abstract, class sealed implementation. please review.

[Paul Ishenin]

dmitry boyarintsev wrote:
> Obj-C categories are different to helper-classes.
> Helper-classes don't extend class methods, they just provide a way to
> access private/protected class section.
> Categories actually are adding methods to a obj-c class.
>   
Please look at example here: http://edn.embarcadero.com/article/34324

TMyClassHelper there has added HelloWorld and MyFunc to the TMyClass type.

Best regards,
Paul Ishenin.