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: a07f3367d7,39579ad87542da0e X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,UTF8 X-Received: by 10.224.42.141 with SMTP id s13mr18076331qae.3.1368417782003; Sun, 12 May 2013 21:03:02 -0700 (PDT) Path: y6ni37759qax.0!nntp.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!news-in-01.newsfeed.easynews.com!easynews.com!easynews!news-out.news.tds.net!news.ripco.com!feeder.erje.net!eu.feeder.erje.net!news.etla.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: Seeking for papers about tagged types vs access to subprograms Date: Fri, 10 May 2013 17:20:54 +0200 Organization: Ada @ Home Message-ID: References: <1bfhq7jo34xpi.p8n2vq6yjsea.dlg@40tude.net> <12gn9wvv1gwfk.10ikfju4rzmnj.dlg@40tude.net> <1cir6d72wemw.qxx9mozot7hl.dlg@40tude.net> NNTP-Posting-Host: uGUognJZXpdb++Da0QvCqg.user.speranza.aioe.org Mime-Version: 1.0 X-Complaints-To: abuse@aioe.org User-Agent: Opera Mail/12.15 (Linux) X-Notice: Filtered by postfilter v. 0.8.2 X-Received-Bytes: 2710 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: Quoted-Printable Date: 2013-05-10T17:20:54+02:00 List-Id: Le Fri, 10 May 2013 16:27:42 +0200, Dmitry A. Kazakov = a =C3=A9crit: >> The time required for a computation, the memory used, are not part of= = >> the >> semantic. > > It is for RT or else irrelevant. > >> Computational complexity is not semantic. > > And so irrelevant. I've never asserted semantic is everything (and even suggested the = opposite). Runtime properties is another aspect. Not the same methods, n= ot = the same formalisms, these are orthogonal aspects (or more or less). > Because it is impossible to do. When meant seriously beyond academic > exercises, it is most likely undecidable, incomputable, halting etc. That's not impossible nor academic only, that's used for real life case = (I = gave an example, there are many others). Generating program from = specification does not prevent nor disallow proofs of bounded runtime = requirement. -- = =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