You do not have that because *people* use respondsTo:  ^^

My point was that if coder what to be lazy, and do not care about code, then 
you can always find a dirty hack-around

This one kind of simulate a 
receiver respondsTo: #strangeMessage
        ifTrue: [ receiver strangeMessage ]
        ifFalse: [ .. ]
…

Ben

On May 14, 2013, at 10:32 PM, stephane ducasse <[email protected]> wrote:

> 
> On May 14, 2013, at 10:25 PM, Benjamin <[email protected]> 
> wrote:
> 
>> Then you will have
>> 
>> [ receiver strangeMessage ]
>> on: Error
>> do: [ receiver otherMessage 
>>      on: Error
>>      do: [ self defaultFallback ] ]
> 
> can you show me real examples?
> Because in 15 years of Smalltaking non trivial program (but may be not 
> complex enough) I never 
> needed that. 
> 
> The few times where I did somethng like that was to load broken and 
> incomplete Squeak code lazily in VisualWorks. But it was a real deep and fun 
> hack 
> 
> Stef
> 
> 


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