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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 Path: border1.nntp.dca3.giganews.com!border2.nntp.dca3.giganews.com!border4.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!feeder02.blueworldhosting.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!feeder.erje.net!eu.feeder.erje.net!news.mixmin.net!aioe.org!.POSTED!not-for-mail From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?= =?utf-8?Q?=29?= Newsgroups: comp.lang.ada Subject: Re: What if Red had won? [Or Blue?] Date: Fri, 19 Jul 2013 23:27:36 +0200 Organization: Ada @ Home Message-ID: References: <38846385-9884-46d5-8f58-6cf5c6049bbd@googlegroups.com> <5deda34c-5889-4722-b9b5-1ee7005efea3@googlegroups.com> NNTP-Posting-Host: cJily9RRGDkFRIATpG/lqA.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: Quoted-Printable X-Complaints-To: abuse@aioe.org User-Agent: Opera Mail/12.16 (Linux) X-Notice: Filtered by postfilter v. 0.8.2 X-Original-Bytes: 1980 Xref: number.nntp.dca.giganews.com comp.lang.ada:182596 Date: 2013-07-19T23:27:36+02:00 List-Id: Le Thu, 18 Jul 2013 08:52:48 +0200, Jeffrey Carter = a =C3=A9crit: > My recollection is that Ichbiah said the revision was creating "Ada wi= th = > null." He wanted a notation that used the reserved word "class": > > class type T is record ... > > He objected to "tagged" as being about the way the concept was = > implemented, while "class" would be about the concept. He was partly wrong, as the tagged union is one of the existing ways to = = formally express the concept, and is not limited to implementation = wordings: https://en.wikipedia.org/wiki/Tagged_union -- = =E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1] =E2=80=9CStructured Programming supports the law of the excluded muddle.= =E2=80=9D [1] [1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers= ity