[Biococoa-dev] Subclass organization

Koen van der Drift kvddrift at earthlink.net
Fri Feb 25 04:16:45 EST 2005


On Feb 24, 2005, at 10:30 PM, Charles PARNOT wrote:

> I think what John means is that in BCSymbol, -complement can return 
> self:
> - (id)complement
> {
> 	return self;
> }
>
>
> and BCSymbolNucleotide would override this and have an ivar 
> 'complement' to cache the result.
>
> It makes more sense, actually, because then it really takes advantage 
> of the superclass-subclass design, where more specialized subclasses 
> override superclass methods.
>
>

Ah, yes, that would indeed be the best approach.


- Koen.




More information about the Biococoa-dev mailing list