[gambit-list] Ill formed expression
Evan Hanson
evhan at thunktastic.com
Mon Oct 31 13:07:18 EDT 2011
Are you loading the syntax-rules library before you run this?
Try again with `gsi -:s`.
More information:
http://dynamo.iro.umontreal.ca/~gambit/wiki/index.php?title=Documentation:Special_form_define-syntax
On 10/31/11 at 05:23pm, Vok Vojwo wrote:
> I get the error Ill-formed expression for this syntax definition:
>
> (define-syntax ?
> (syntax-rules ()
> ((? arg)
> (let ((val arg))
> (display "+++ ")
> (write 'arg)
> (display ": ")
> (write val)
> (newline)
> val))))
>
> Can anybody tell me what is wrong? Guile accepts the definition.
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