From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,a9916530bf157e77 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit X-Received: by 10.236.98.105 with SMTP id u69mr11128436yhf.26.1367665273548; Sat, 04 May 2013 04:01:13 -0700 (PDT) Path: y6ni7343qax.0!nntp.google.com!border1.nntp.dca.giganews.com!border4.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!newsfeed.news.ucla.edu!nrc-news.nrc.ca!News.Dal.Ca!news.litech.org!news.etla.org!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Depth First Search of a Char_Matrix? Date: Sat, 27 Apr 2013 22:16:28 +0200 Organization: cbb software GmbH Message-ID: References: <87c89205-7fee-4d88-b4ab-08d26c03219b@googlegroups.com> <51cf6f75-c19b-4e08-a2be-f3133eedccfa@googlegroups.com> <13ng4v2sj1jrx.mske4k716m2e$.dlg@40tude.net> <990873a8-9693-4ea5-9bc7-6494e76c8546@googlegroups.com> Reply-To: mailbox@dmitry-kazakov.de NNTP-Posting-Host: rHWOzyHApalsT5sEUcbvVQ.user.speranza.aioe.org Mime-Version: 1.0 X-Complaints-To: abuse@aioe.org User-Agent: 40tude_Dialog/2.0.15.1 X-Notice: Filtered by postfilter v. 0.8.2 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Date: 2013-04-27T22:16:28+02:00 List-Id: On Sat, 27 Apr 2013 11:58:57 -0700 (PDT), Shark8 wrote: > On Saturday, April 27, 2013 12:48:09 PM UTC-6, Dmitry A. Kazakov wrote: >> On Sat, 27 Apr 2013 11:16:34 -0700 (PDT), Shark8 wrote: >> >>> On Saturday, April 27, 2013 11:25:57 AM UTC-6, Jeffrey Carter wrote: >>>> >>>> There is absolutely no reason to use access types (especially not anonymous >>>> access types) or addresses for this problem. >>> >>> Sure, but there's no real reason not to: the illustration was simply a DFS >>> on something that might-not-exist and so null/some-object map to that >>> perfectly fine. >> >> No, you don't place a key into the map if there is no value for it. > > And I don't In which case it is never null => it need not to be an address. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de