And you're going to bump into slot initialization order...

2013/10/31 Stéphane Ducasse <[email protected]>

>
> On Oct 30, 2013, at 10:54 PM, Camillo Bruni <[email protected]>
> wrote:
>
> >
> > On 2013-10-30, at 22:36, Igor Stasenko <[email protected]> wrote:
> >
> >> I don't think there's something to fix.
> >> You cannot 'extend' classes belonging to other package in any other way
> >> than adding extension methods.
> >> Allowing extension of ivars or any other vars by foreign package
> >> is road to nowhere.
> >>
> >> I would not like if shape of my kernel classes depends on what packages
> i load
> >> or in what order i loaded them.
> >> To me it is clear that if one needs to add/remove/modify instance
> variables
> >> of some class, those changes should belong to the package containing
> that class,
> >> not some random package.
> >
> > Exactly, it would cause the same problem as we have with overrides in
> monticello
>
> Sorry but this is not the same as having overrides in Monticello. It is
> the same as having class extensions!
> So class extensions are powerful and we should get the same for instance
> variables.
>
> Now the real question is not shape is how you garantee that it is well
> initialized!!!
> Because you do not want to extend initialize because it does not work
> modularly.
> Now with slot we can attach initializers to them and then we can get it
> modular.
>
> Stef
>
>
>

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