Newsgroups: comp.unix.wizards
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!think.com!barmar
From: barmar@think.com (Barry Margolin)
Subject: Re: Are endorder actions useful?
Message-ID: <1991May15.181139.20233@Think.COM>
Sender: news@Think.COM
Reply-To: barmar@think.com
Organization: Thinking Machines Corporation, Cambridge MA, USA
References: <43107@netnews.upenn.edu>
Date: Wed, 15 May 91 18:11:39 GMT

In article <43107@netnews.upenn.edu> mjd@saul.cis.upenn.edu (Mark-Jason Dominus) writes:
>The UNIX `tsearch' library includes a facility for performing a
>user-specified action on each node in a binary tree, in endorder.  (That
>is, the action is performed on a certain node only after it has been
>performed for all the nodes in the subtrees of that node.
>
>Have you ever used this facility, or can you think of a use for it?

This kind of option is useful when the action is something like "delete all
subnodes".
-- 
Barry Margolin, Thinking Machines Corp.

barmar@think.com
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