[Newbies] Re: invoking a *class* method from a workspace
Klaus D. Witzel
klaus.witzel at cobss.com
Sat May 26 13:32:25 UTC 2007
Hi mstram,
on Sat, 26 May 2007 14:50:34 +0200, you wrote:
> What's the trick / catch ... if there is one for invoking a class method
> from
> a workspace?
>
> I created a Class "MikeTest".
>
> - Added an instance method : "imethod"
>
> MikeTest >> imethod
> ^ 'I am an instance method'
>
> - Added a Class method
>
> MikeTest class>>cmethod
> ^ 'I am a class method'
>
> ----
> Then in a workspace :
>
> t := MikeTest new.
> t imethod (alt-p) -->> 'I am an instance method' (As expected)
>
> t cmethod (alt-p) gives 'MessageNotUnderstood'
>
> http://mstram.freepgs.com/img/message_not_understood_when_evaluating_class_method.jpg
>
> The debug trace has 'UndefinedObject>>Doit' ... which seems strange to me
> ... does that mean
> the workspace doesn't understand how to send a class method ???
The line with UndefinedObject>>DoIt is how the compiler invokes the
expression when you do (alt-p). When you select that line, you can see
your expression decompiled. So, no problem.
The other question was answered by Edgar.
/Klaus
> Puzzled (again).
>
> Mike
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