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: 103376,30a9bb3017fa58dd X-Google-Attributes: gid103376,public X-Google-Thread: 1025b4,959627a08fbc77c5 X-Google-Attributes: gid1025b4,public From: pmartin@mail.earthlink.net (Pascal F. Martin) Subject: Re: GNAT versions ( was :Ada compiler for PC?) Date: 1999/05/08 Message-ID: #1/1 X-Deja-AN: 475533656 References: <7fndu7$im4$1@nnrp1.dejanews.com> <7g5ju3$qpb$1@nnrp1.dejanews.com> <7gbjhg$s98$1@rtl.cygnus.com> <7gpsrd$qc7$1@nnrp1.dejanews.com> Content-Type: text/plain; charset=us-ascii X-Trace: clnws01.we.mediaone.net 926174569 24.130.92.251 (Sat, 08 May 1999 07:42:49 PDT) Mime-Version: 1.0 NNTP-Posting-Date: Sat, 08 May 1999 07:42:49 PDT Newsgroups: comp.lang.ada,gnu.misc.discuss Date: 1999-05-08T00:00:00+00:00 List-Id: In article <7gpsrd$qc7$1@nnrp1.dejanews.com>, Robert Dewar writes: > In article , > mrs@kithrup.com (Mike Stump) wrote: > > That certainly seems backwards to me, for me the sequence of > software production goes like: > > design and document the interfaces > refine the interfaces till they are correct > then implement > This is an idealistic view, as proving an interface correct is not (yet) exact science. The mechanical and engineering science use a different sequence which I like very much, as it copes with real life problems: design and document the interfaces refine the interfaces till they are accepted by peers implement (this may infere a few changes in the interfaces) document the interfaces "as built". -- Pascal F. Martin.