[r6rs-discuss] Question about "expand time" vs. "execution time"

John Cowan cowan at ccil.org
Sun May 27 21:38:07 EDT 2007


Brian C. Barnes scripsit:

> (define-syntax ttf ...)
> (define ttf +)
> 
> (ttf 5 3)
> (apply ttf (list ... ))
> 
> Are these valid? Does "ttf" now refer to a macro, or to the "+" procedure?

The latter definition overrides the former, at least at the top level.

-- 
In politics, obedience and support      John Cowan <cowan at ccil.org>
are the same thing.  --Hannah Arendt    http://www.ccil.org/~cowan



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