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Internet Message Format  |  1996-09-05  |  626b
  1. Received: by cheltenham.cs.arizona.edu; Tue, 5 Mar 1996 12:30:26 MST
  2. Message-Id: <m0ttyEK-000EhAC@skypoint.com>
  3. Date: Tue, 5 Mar 96 09:00 CST
  4. From: escargo@mirage
  5. To: H.Lawson@tees.ac.uk, icon-group@cs.arizona.edu
  6. Subject: Re: Production of an operator's left-hand operand
  7. Content-Length: 259
  8. Errors-To: icon-group-errors@cs.arizona.edu
  9. Status: O
  10.  
  11. I believe that if you use an expression like the following,
  12. you can get the results you want:
  13.  
  14. write( 1(e1, e2))
  15.  
  16. This evaluates e1 and e2 in that order, succeeds only if both
  17. e1 and e2 succeeds, and returns the value of the first expression.
  18.  
  19. David S. Cargo
  20.