[Cuis-dev] Morph class canUnderstand: #exportAsJPEG -- Answer is false: why?

[Weslleymberg Lisboa]

Hi,

You can test with #isBehavior

myObject isBehavior ifTrue: [ myObject canUnderstand: #foo ] ifFalse: [ myObject class canUnderstand: #foo ]


Em 7 de março de 2025 06:07:19 BRT, Gerald Klix via Cuis-dev <cuis-dev at lists.cuis.st> escreveu:
>I know that sort of thinking around the corner, twice.
>
>#canUnderstand: is implemented at the class side,
>hence I have to send #class first, which fails
>if you already have a class – an instance of behavior – at hand.
>
>CYA,
>
>Gerald Klix
>
>
>
>On 3/6/25 12:37 PM, H. Hirzel via Cuis-dev wrote:
>> The answer is
>> 
>>      Morph  canUnderstand: #exportAsJPEG
>> 
>> true
>> 
>> Sorry for asking.
>> 
>> HH
>> 
>> On 06/03/2025 9:10 am, H. Hirzel wrote:
>>> Hello list members
>>> 
>>>     Morph  class  canUnderstand: #exportAsJPEG
>>> 
>>> answers 'false' meanwhile #exportAsJPEG is implemented in class Morph.
>>> 
>>> Contrariwise
>>> 
>>>     Dictionary class canUnderstand: #printOn:
>>> 
>>> answers the expected value which is 'true'.
>>> 
>>> I wonder what is happening here.
>>> 
>>> Regards
>>> 
>>> Hannes
>>> 
>
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>Cuis-dev at lists.cuis.st
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--
Att.
Wéslleymberg Lisboa
Graduado em Sistemas de Informação
Docente no IFFluminense - Campus Itaboraí
Ex-Bolsista de IC do Núcleo de Computação Científica (NC2-IFF) - Projeto IFF Aerospace
Github: https://github.com/weslleymberg
Tel.: +55 22 99931-2376
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