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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,924aad49bcf9e4e7 X-Google-Attributes: gid103376,public From: jsa@alexandria (Jon S Anthony) Subject: Re: Cumbersome Polymorphism Date: 1997/01/27 Message-ID: #1/1 X-Deja-AN: 212682613 sender: news@organon.com (news) references: <32E7ABE8.3BF3@eurocontrol.fr> <5c9put$48t@hetre.wanadoo.fr> organization: Organon Motives, Inc. newsgroups: comp.lang.ada Date: 1997-01-27T00:00:00+00:00 List-Id: In article dewar@merv.cs.nyu.edu (Robert Dewar) writes: > Xref: alexandria.organon.com comp.lang.ada:54299 > Path: alexandria.organon.com!uunet!in3.uu.net!144.212.100.12!news.mathworks.com!enews.sgi.com!newshub1.home.com!news.home.com!ames!purdue!oitnews.harvard.edu!cmcl2.nyu.edu!news.nyu.edu!merv!dewar > From: dewar@merv.cs.nyu.edu (Robert Dewar) > Newsgroups: comp.lang.ada > Date: 26 Jan 1997 00:18:53 -0500 > Organization: New York University > Lines: 12 > References: <32E7ABE8.3BF3@eurocontrol.fr> <5c9put$48t@hetre.wanadoo.fr> <32EAA1A0.7C43@jmpstart.com> > NNTP-Posting-Host: merv.cs.nyu.edu > X-Newsreader: NN version 6.5.0 (NOV) > > JPR wrote > > > The problems of allocation and deallocation are hidden from the > > Smalltalk programmer (and from the Ada programmer, if you can find a > > garbage-collected implementation of Ada, which isn't easy). But the > > > It is perfectly possible to hide allocation and deallocatoin from an > Ada programmer -- just look at Ada.Unbounded.Strings as an example. > Note that this also shows that variable length items can be handled > in a completely transparent manner. You forgot to add "and sllllooooowwwwwww" to the end of your last sentence. Unless you mean that Unbound_Strings should have a GC'd implementation. In which case you would simply be agreeing with Bob. /Jon -- Jon Anthony Organon Motives, Inc. Belmont, MA 02178 617.484.3383 jsa@organon.com