[fpc-pascal] Reference Counting

[cobines]

2010/4/5 Werner Van Belle <werner at yellowcouch.org>:
>> Pest was just a reference pointer to the first instance, so no need to
>> free it. But setting it to nil after Test was freed is a good habit.
>>
> I'm not sure that is correct. Once you free Test, Pest still points to
> the same non existing object and you can use assigned to check it,

Pest would be a dangling pointer and should not be accessed.


I attached sample code with interfaces for you.

--
cobines
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