The inverse of a function...

Richard Carlsson richardc@REDACTED
Mon Mar 8 20:14:40 CET 2004


On Mon, 8 Mar 2004, Corrado Santoro wrote:

> I have a function like this:
>
> f(caesar) -> ...;
> f(caius) -> ....;
> f(giulius) -> ....
>
> I would like to have a function that, given the name 'f', returns the
> list [caesar, caius, giulius] (or similar).
> Is it possibile to do this (obviously without re-interpreting the source
> file)?

To be blunt: No. You'll need Prolog to do that sort of thing.

	/Richard


Richard Carlsson (richardc@REDACTED)   (This space intentionally left blank.)
E-mail: Richard.Carlsson@REDACTED	WWW: http://user.it.uu.se/~richardc/
 "Having users is like optimization: the wise course is to delay it."
   -- Paul Graham



More information about the erlang-questions mailing list