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From: Stephen Leake <stephen_leake@acm.org>
To: Robert A Duff <bobduff@shell01.TheWorld.com>
Cc: comp.lang.ada@ada-france.org
Subject: Re: Proposed change to BC iterator parameters
Date: 19 Dec 2003 21:11:58 -0500
Date: 2003-12-19T21:11:58-05:00	[thread overview]
Message-ID: <mailman.148.1071886331.31149.comp.lang.ada@ada-france.org> (raw)
In-Reply-To: <wcc65gcwhkb.fsf@shell01.TheWorld.com>

Robert A Duff <bobduff@shell01.TheWorld.com> writes:

> Also, if you use the cursor style for iteration, it can get pretty
> unreadable in complicated cases. For example, try writing in that
> style for walking a tree-structured data structure. The generic
> style can use simple recursion. The cursor style needs to mess
> around with explicit stacks and whatnot.

Hmm. You can wrap that in a package, and provide a simple "next,
is_done" interface. See
http://www.toadmail.com/~ada_wizard/ada/sal_packages/sal-poly-binary_trees-sorted-iterators__ads.htm 

-- 
-- Stephe




  reply	other threads:[~2003-12-20  2:11 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-10 13:36 Proposed change to BC iterator parameters amado.alves
2003-12-10 16:47 ` Proposed change to BC iterator parameters [limitedness] Georg Bauhaus
2003-12-10 17:39 ` Proposed change to BC iterator parameters Martin Krischik
2003-12-10 18:22 ` Jeffrey Carter
2003-12-10 23:00   ` Robert A Duff
2003-12-11  1:00     ` Jeffrey Carter
2003-12-11 15:09       ` Robert A Duff
2003-12-11  8:33     ` Dmitry A. Kazakov
2003-12-10 20:50 ` Simon Wright
2003-12-10 23:12 ` Robert A Duff
2003-12-11  5:07   ` Steve
2003-12-11 15:24     ` Robert A Duff
2003-12-11 17:39       ` Jeffrey Carter
2003-12-12 22:22         ` Robert A Duff
2003-12-13  0:57           ` Jeffrey Carter
2003-12-17 20:59             ` Robert A Duff
2003-12-18 10:05               ` Dmitry A. Kazakov
2003-12-18 18:14                 ` Robert A Duff
2003-12-19 10:53                   ` Dmitry A. Kazakov
2003-12-19 16:17                     ` Georg Bauhaus
2003-12-19 17:19                       ` Dmitry A. Kazakov
2003-12-19 22:51                         ` Robert A Duff
2003-12-20 12:20                           ` Dmitry A. Kazakov
2003-12-19 22:47                       ` Robert A Duff
2003-12-20  2:11                         ` Stephen Leake [this message]
2003-12-20 19:08                         ` Robert I. Eachus
2003-12-21 11:39                           ` Simon Wright
2003-12-21 18:13                             ` Robert I. Eachus
2003-12-21 13:58                           ` Dmitry A. Kazakov
2003-12-22  1:25                             ` Robert I. Eachus
     [not found]         ` <916oa1-c93.ln1@beastie.ix.netcom.com>
2003-12-13 16:57           ` Simon Wright
2003-12-12  5:29     ` Simon Wright
2003-12-12 22:26       ` Robert A Duff
2003-12-13 16:55         ` Simon Wright
2003-12-13 17:27           ` Dmitry A. Kazakov
2003-12-13  2:44       ` Steve
  -- strict thread matches above, loose matches on Subject: below --
2003-12-23 10:40 amado.alves
2003-12-19 15:53 amado.alves
2003-12-19 23:05 ` Robert A Duff
2003-12-11 16:02 amado.alves
2003-12-11 15:05 ada_wizard
2003-12-11 16:45 ` Robert A Duff
2003-12-11 12:56 amado.alves
2003-12-17 20:25 ` Robert A Duff
2003-12-11 12:43 amado.alves
2003-12-11 12:33 amado.alves
2003-12-10 14:39 amado.alves
2003-12-10  5:46 Simon Wright
2003-12-10 18:12 ` Jeffrey Carter
2003-12-11 16:10   ` Martin Krischik
2003-12-10 20:59 ` Simon Wright
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