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-Thread: 103376,c406e0c4a6eb74ed X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!news.glorb.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!feed2.news.rcn.net!rcn!feed3.news.rcn.net!not-for-mail Sender: jsa@rigel.goldenthreadtech.com Newsgroups: comp.lang.ada Subject: Re: ADA Popularity Discussion Request References: <49dc98cf.0408110556.18ae7df@posting.google.com> <6F2Yc.848$8d1.621@newsread2.news.pas.earthlink.net> <413e2fbd$0$30586$626a14ce@news.free.fr> <9snhizowcwg9.16smaxkxhyu67$.dlg@40tude.net> <413f770d$0$30111$626a14ce@news.free.fr> From: jayessay Organization: Tangible Date: 12 Sep 2004 12:02:45 -0400 Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: DXC=n3;8N0a?O94ZG4_KakBji10R]m=BkYWI7:6bU3OT9S9:Of^fm_?k]1:^aM2i8keRm=ClSWDnj1Ho< X-Complaints-To: abuse@rcn.com Xref: g2news1.google.com comp.lang.ada:3620 Date: 2004-09-12T12:02:45-04:00 List-Id: "Dmitry A. Kazakov" writes: > On 09 Sep 2004 20:47:54 -0400, jayessay wrote: > > > Lionel Draghi writes: > > > >> jayessay wrote: > >> ... > >>> First, types are indeed part of program design in dynamic languages. > >>> In some respects they are even more important than in static languages > >>> as they exist at _all_ times: compile load (link) and run. They are > >>> _always_ checked _all_ the time. If you want to say "Ooo! this has a > >>> performance hit", fine, but with current systems any such checks are > >>> basically in the noise. OTOH, you can annotate a dynamic program with > >>> static type information and/or use type inference to remove this issue > >>> from most cases. > >> > >> Jon, > >> > >> I am trying my best to understand you without knowing Lisp, but I > >> don't. This is the second time you explain this, but you are to > >> abstract for me. > > > > I'm not sure which part you are having trouble with. Let's try this > > (admittedly somewhat handwavy, but intended to help get the ideas): > > > > To a reasonable first approximation: > > > > What is typed? > > > > Static: Variables and expressions (including literals and variables) > > Come on, values are untyped? You are hopeless /Jon -- 'j' - a n t h o n y at romeo/charley/november com