A class is said to be abstract if its not reasonable to instantiate
it. An abstract class may perfectly have no abstract method.
Cheers,
Alexandre
On 5 Oct 2008, at 11:49, Stéphane Ducasse wrote:
I would really like to have a way to specify that a class is abstract.
For example I would like to be able to write a test as follow
self assert: (Collection allSubclasses reject: [:each
each isAbstract ]) new isEmpty
now saying that isAbstract is if a class has one method sending
subclassResponsibility is not
really good for me.
May be we could have something like
isAbstract
^ self declaredAsAbstract
or: [ (self whichSelectorsReferToSymbol: #subclassResponsibility)
isEmpty not]
Stef
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Alexandre Bergel http://www.bergel.eu
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