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=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,5a88548f1bcf3510 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,UTF8 Received: by 10.180.101.97 with SMTP id ff1mr134332wib.1.1352445875324; Thu, 08 Nov 2012 23:24:35 -0800 (PST) Path: ha8ni180721wib.1!nntp.google.com!proxad.net!feeder1-2.proxad.net!usenet-fr.net!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!rt.uk.eu.org!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: Overring function and its returned type Date: Fri, 09 Nov 2012 08:22:52 +0100 Organization: Ada @ Home Message-ID: References: NNTP-Posting-Host: aWaWeUaBdaj2Zzc04J1v5A.user.speranza.aioe.org Mime-Version: 1.0 X-Complaints-To: abuse@aioe.org User-Agent: Opera Mail/12.02 (Linux) X-Notice: Filtered by postfilter v. 0.8.2 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: Quoted-Printable Date: 2012-11-09T08:22:52+01:00 List-Id: Le Fri, 09 Nov 2012 08:13:23 +0100, Yannick Duch=C3=AAne (Hibou57) = a =C3=A9crit: > In `P2`, `R` inherits from `P1.R`, so belongs to `P1.R'Class`, and is = a = > value returned type for an concrete function `F` Please, read =E2=80=9Cand is a *valid* returned type=E2=80=9D. -- = =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