On Feb 4, 2008 12:13 PM, John Cowan <[EMAIL PROTECTED]> wrote: > felix winkelmann scripsit: > > > > This is why I'm proposing a simple extension to lambda-lists: a fixnum > > > in a lambda-list declares that the procedure returns exactly that > > > many values. > > > > Sorry, too ugly. :-) >
What about (declare (arity foo in-arity out-arity) ..)? It's a compiler optimization, after all... Graham
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