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=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,cc4f25d878383cc X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-12-02 14:26:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!bloom-beacon.mit.edu!howland.erols.net!news-out.worldnet.att.net.MISMATCH!wn3feed!worldnet.att.net!135.173.83.71!wnfilter1!worldnet-localpost!bgtnsc06-news.ops.worldnet.att.net.POSTED!not-for-mail Message-ID: <3C0AAA70.8D905BA8@worldnet.att.net> From: James Rogers X-Mailer: Mozilla 4.76 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Another Idea for Ada 20XX References: <3C0A5054.E74A82E7@worldnet.att.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Sun, 02 Dec 2001 22:26:01 GMT NNTP-Posting-Host: 12.86.36.145 X-Complaints-To: abuse@worldnet.att.net X-Trace: bgtnsc06-news.ops.worldnet.att.net 1007331961 12.86.36.145 (Sun, 02 Dec 2001 22:26:01 GMT) NNTP-Posting-Date: Sun, 02 Dec 2001 22:26:01 GMT Organization: AT&T Worldnet Xref: archiver1.google.com comp.lang.ada:17317 Date: 2001-12-02T22:26:01+00:00 List-Id: Preben Randhol wrote: > > On Sun, 02 Dec 2001 16:01:22 GMT, James Rogers wrote: > > type Meters is unit range (0.0..1.0E380); > > type Hours is unit range (0.0..9.99E30); > > type Speed is unit(Meters / Hours); > > Shouldn't these also be allowed to be negative? Under certain circumstances units do make sense as negative values. Sometimes they do not. I simply tried to supply a possible syntax example, not all possible examples. Jim Rogers Colorado Springs, Colorado USA