[plt-scheme] Describe Function

Sounds good. I was just thinking that a lower level implementation could
avoid the need to create a vector just to get the variant. But for my code
it's no big deal.

On Tue, Nov 10, 2009 at 11:21 AM, Robby Findler <robby at eecs.northwestern.edu
> wrote:

> On Tue, Nov 10, 2009 at 12:18 PM, Doug Williams
> <m.douglas.williams at gmail.com> wrote:
> > Robby,
> >
> > I am going to add your variant procedure to the describe collection.
>
> Great!
>
> > Are you
> > happy with the name 'variant' and the contract (-> any/c symbol?)?
>
> Yes. (You may want to use substring isntead of regexp-match.)
>
> > What is
> > the relationship between this and object-name?
>
> Nothing really. object-name is per-object (and not everything has a name).
>
> >  It seems that for actual
> > structs they return the same value. Would it make sense to change
> > object-name to return the same value as variant in those cases where it
> > (i.e., object-name) returns #f? This would trivially make this
> functionality
> > available in #lang scheme, which seems to be a good thing.
>
> I don't think that that change is really a good idea at this point.
> Probably would break lots of stuff.
>
> Robby
>
> > Doug
> >
> > On Tue, Nov 10, 2009 at 7:43 AM, Robby Findler <
> robby at eecs.northwestern.edu>
> > wrote:
> >>
> >> On Tue, Nov 10, 2009 at 8:41 AM, Dave Herman <dherman at ccs.neu.edu>
> wrote:
> >> >> This probably doesn't help Doug, but here is another way to define
> the
> >> >> function linked above:
> >> >
> >> > That's neat, thanks! Has struct->vector always worked on non-structs?
> >>
> >> I'm not sure about always, but at some point a while ago, Matthew
> >> decided that all values are structs (in the sense that you could have
> >> implemented everything with structs and scope, etc even if some of
> >> them are implemented in C) and adapted the primitives to make them
> >> behave accordingly.
> >>
> >> Robby
> >
> >
>
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