Testing for presence of arguments

Diez B. Roggisch deets at web.de
Wed Aug 17 17:50:00 CEST 2005

I don't have the details ready - but in the ASPN cookbook are recipes
to e.g. figure insied a function f out how many results the caller of f
expects - and act accordingly. This boils down to inspect the
call-stack. So it ceratinly is possible.

However, I'd say it is almost 100% a design flaw. Or can you give us a
compelling reason why you need this behaviour?


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