[squeak-dev] Re: isKindOf: in Morphic code...

Stéphane Rollandin lecteur at zogotounga.net
Tue Jul 5 10:34:46 UTC 2016

> One more thing: If you really consider to implement the "isClass" check in
> two unrelated branches of an inheritance tree, you arguably have a design
> issue. Just use #respondsTo:. For example, TranscriptStream should not
> implement #isModel but rather implement the Model interface as needed.
> #respondsTo: will work fine.

How fast is #respondsTo:? Can it be used in a tight loop?


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