Imperative list operations

From: Steve Stevenson (
Date: Tue Sep 14 1999 - 21:36:18 MET DST

From: Steve Stevenson <>
Date: Tue, 14 Sep 1999 15:36:18 -0400 (EDT)
Subject: Imperative list operations

[Sorry, English only.]

Good afternoon.
=09I need a double-ended queue implementation. The lists
can get very long, so I would like to use imperative operations to
change the links.

=09I've tried all the na=EFve type declarations --- all of which
don't seem to work. I've tried the age old tricks. What am I not
understanding? or doing right? I'm not fussy: tuples, records or
objects are fine.

Best regards,

Steve (really "D. E.") Stevenson Assoc Prof
Department of Computer Science, Clemson, (864)656-5880.mabell
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