Re: WHAT COULD BE WRONG?

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#650

From: Bob Schor
Date: Thu, 18 May 2000 00:00

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     Try reordering your recursion logic.

PROCEDURE lookup;

BEGIN   { lookup }
  getinputfromuser;
  IF validinput
   THEN
     BEGIN
       lookitup;
       lookup  { recursive call here }
     END
  END;

Note that it is also pretty easy to convert this recursive routine to an
iterative one, which may have some advantages (for one thing, the stack won't
keep growing).

Bob Schor
Pascal Enthusiast

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From: Bob Schor <bschor@pitt.edu>
Subject: Re: WHAT COULD BE WRONG?
Date: 2000/05/18
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