Re: Update available-- possibly last before finalization

[Felix Winkelmann <fw@xxxxxxxxx>]

Andre van Tonder wrote:
> On Fri, 10 Dec 2004, Felix Winkelmann wrote:
>
> > Andre van Tonder wrote:
> >
> > > On Fri, 10 Dec 2004, Felix Winkelmann wrote:
> > >
> > > > From what my experiments show the current SRFI-57 reference 
> > > > implementation
> > > > does *not* work on systems that provide a non-generative SRFI-9, or 
> > > > non-
> > > > generative native records.
> > >
> > >
> > > I'm not sure why that should be.  Would you mind saying a bit more on 
> > > this?
> >
> >
> > Here a simple implementation of SRFI-9, using syntax-case:
> >
> > [code snipped]
>
>
> Hi Felix,
>
> The following modification of your code works, but is generative, and so 
> probably misses the point of what you were trying to achieve.  To get 
> nongenerativity, the underlying SRFI-9-like interface should probably be 
> passed an extra identifier to be used as tag, instead of creating a 
> unique tag as done below.

Thanks, this works, but (as you remark) doesn't help with the generative/
non-generative issue. Well, I'll ponder over this a little more...


cheers,
felix