[pro] [Q] introspecting setf expanders

Pascal J. Bourguignon pjb at informatimago.com
Tue Oct 9 11:52:07 UTC 2012

IMO, you will have to see what's done by each implementation, and use implementation specific, perhaps even internal functions to get that information. 

This would be a good subject for a CDR, to provide a public introspective API.

__Pascal Bourguignon__

On 08/10/2012, at 15:28, Didier Verna <didier at lrde.epita.fr> wrote:

>  Hello,
> I cannot find a standard way to figure out whether a setf expander has
> been defined for a symbol FOO (via either DEFSETF or
> Is there one? Otherwise, I would also be happy with an SBCL-only
> solution.
> Thank you !
> -- 
> Resistance is futile. You will be jazzimilated.
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