How to break out of a recursion?

• Subject: How to break out of a recursion?
• From: Alasdair McAndrew
• Date: Wed, 3 Sep 2008 15:11:28 +1000

I'm just playing around with implementing a backtracking algorithm
recursively, and what I want is for the program to terminate (with an
appropriate output) the moment a solution is found.  return() doesn't do
this, but error() does, if inelegantly.  Is there any other way of forcing
the termination of a program other than with error()?

Thanks,
Alasdair

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