first class method categories (was Re: WTF is a trait?)
stéphane ducasse
ducasse at iam.unibe.ch
Sun Sep 4 07:16:17 UTC 2005
I like the idea....
Daniel :)?
Stef
PS: I'm finishing up my lectures (hope to have more time this week)...
>
>>
>> A trait is not a run-time entity, just a first class method category.
>>
>
> As I was saying to Daniel a few days ago, I'd love to see tools
> that really emphasized this view of traits. I want creating a
> trait to feel almost exactly like creating a method category: you
> should just be able to choose "new trait" from the method category
> column of a browser, give it a name, and see it show up there with
> the other categories. Until you add the same trait to some other
> class, it should be exactly as if it was just a category, just with
> different naming conventions. I should be able to drag a category/
> trait from the method category column of one class to another, to
> share the trait. The extra pieces of metadata for a particular
> application of a trait - aliases, removals - can appear in the text
> pane of the browser when I select that trait in the category
> column, and be editable there, rather than being shoved into the
> class definition. I think this would be a much lower-impact, more
> familiar way of integrating traits into the traditional Smalltalk
> mindset and workflow than treating them as part of the inheritance
> hierarchy, as they are now.
>
> Avi
>
>
>
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