Traits prototype image

Ned Konz ned at
Tue Feb 4 18:03:18 UTC 2003

On Tuesday 04 February 2003 09:49 am, Brent Vukmer wrote:
> Ned --
> See the following:

I get an explicit Notification that ClassDescription shouldn't be 
redefined, with the ability to proceed. Which indicates to me that 
you should be able to trap the Warning.

ClassDescription should not be redefined! 
Proceed to store over it.

Select Proceed to continue, or close this window to cancel the 

Doesn't look to me like a bug, unless the warning is covering 
something up.

This comes from
ClassBuilder>>name: className inEnvironment: env subclassOf: newSuper 
type: type instanceVariableNames: instVarString classVariableNames: 
classVarString poolDictionaries: poolString category: category 
unsafe: unsafe

> -----Original Message-----
> From: Ned Konz [mailto:ned at]
> Sent: Tuesday, February 04, 2003 12:25 PM
> To: The general-purpose Squeak developers list
> Subject: Re: Traits prototype image
> On Tuesday 04 February 2003 05:37 am, Nathanael Schärli wrote:
> >
> >e. htm
> >
> > There, you can also read more about our future plans and why
> > there is no changeset available yet.
> Nathanael, thanks for making this available!
> You say on your page:
> ---
> Another reason is that filing in traits requires recompilation of
> the whole system. This is because we need to add some instance
> variables to ClassDescription and because we need to generate some
> data to fill the caches for the incremental reasoning.
> Unfortunately, the kernel (resp. the ClassBuilder) of Squeak is
> broken for at least half of the (inofficial) versions since Squeak
> 3.2, and it is also broken for the latest version of Squeak 3.4
> (state January 31). Thus, it would not be possible to load a traits
> changeset into such an image even if it would exist.
> ---
> Can you describe the ClassBuilder bug in such a way that we could
> fix it? Or maybe I've missed the bug report...
> Thanks,

Ned Konz

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