subclassResponsibility

> Is there a way force allSubclasses to implement the method?
>
> No. Pretty much, you need to avoid subclassing concrete classes.
> i.e. if A has subclasses B and C, refactor to create an abstract A' and move
> A to be a leaf subclass of A'.
>
> -----Original Message-----
> From: Jimmie Houchin [mailto:[hidden email]]
> Sent: December 22, 2020 15:08
> To: Any question about pharo is welcome
> Subject: [Pharo-users] subclassResponsibility
>
> Hello,
>
> I have created a class which will have many subclasses some of which will
> have subclasses of their own.
>
> I want every single class to implement a class method #shortName which will
> provide a short string as a human readable short identifier to the object.
>
> I have in the highest superClass
>
>
> shortName
>
>       self subclassResponsibility
>
>
> But the moment I implement it in a subclass which has subclasses. Those
> subclasses are now using their closest superClasses implementation.
>
> Is there a way force allSubclasses to implement the method?
>
>
> Thanks.
>
>
> Jimmie