[squeak-dev] Future of Squeak, and outsider's view

Mon Jun 29 21:34:08 UTC 2009

>>     
>>> is very general (independent of hierarchy), or if you want to trap people on
>>> a class tree...
>>>
>>> obj isKindOf: CVLambda
>>>
>>>       
>> sorry, but this even worse than using #isXXX
>>
>>     

Hence my preference for askFor:

http://bugs.squeak.org/view.php?id=5319

anObject askFor: #isRectangle

where askFor: returns the value if it is defined and false otherwise.

Keith