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Internet Message Format  |  1995-02-09  |  576b
  1. Received: by cheltenham.cs.arizona.edu; Fri, 19 Aug 1994 08:57:15 MST
  2. Date: Fri, 19 Aug 1994 17:44:37 +0300 (WET)
  3. From: Zvi Lamm <mslamm@pluto.mscc.huji.ac.il>
  4. Subject: Backtracking and reversible assigment
  5. To: icon-group@cs.arizona.edu
  6. Message-Id: <Pine.3.89.1.2.9408191703.B45477-0100000@pluto.mscc.huji.ac.il>
  7. Mime-Version: 1.0
  8. Content-Type: TEXT/PLAIN; charset=US-ASCII
  9. Errors-To: icon-group-errors@cs.arizona.edu
  10.  
  11. Can anyone explain+give a usefull example of the use of <- and complex 
  12. backtracking in general? (Only examples in Icon will be accepted here..)
  13.