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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,d2ded6de39562f0e X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-04-24 01:42:17 PST Path: newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!diablo.theplanet.net!news.theplanet.net!newspost.theplanet.net!not-for-mail From: "Des Walker" Newsgroups: comp.lang.ada Subject: Re: Instantiating a generic ADT from another ADT Date: Tue, 24 Apr 2001 07:31:50 +0100 Message-ID: <9c36ld$cc5$1@newsg2.svr.pol.co.uk> References: <3ae388e0@duster.adelaide.on.net> <3AE39790.6E337130@acm.org> <3ae39c1c@duster.adelaide.on.net> <9c26rp$42v$1@newsg4.svr.pol.co.uk> <3AE4B1F7.997F8D95@earthlink.net> NNTP-Posting-Host: modem-107.coris-wrasse.dialup.pol.co.uk X-Trace: newsg2.svr.pol.co.uk 988093933 12677 62.136.253.107 (24 Apr 2001 06:32:13 GMT) NNTP-Posting-Date: 24 Apr 2001 06:32:13 GMT X-Complaints-To: abuse@theplanet.net X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 Xref: newsfeed.google.com comp.lang.ada:6878 Date: 2001-04-24T06:32:13+00:00 List-Id: Marc A. Criley wrote in message news:3AE4B1F7.997F8D95@earthlink.net... > [Massive, loud, throat-clearing noises...] > > The Booch Components were originally written in Ada 83 around the > mid-80s (I first encountered them in '87). Grady went and rewrote them > later in C++, significantly optimizing their implementation based on > what he learned the first time around. This latter rewrite is the base > for the Ada, et.al. ports mentioned above. > > Marc A. Criley > Senior Staff Engineer > Quadrus Corporation > www.quadruscorp.com Whoops! thanks for the correction. I misinterpreted a description I read, about the Ada set of BC since it said the Ada version had the same key abstractions as the C++ version. But I see now this just meant the Ada95 version is later than the C++ version with lessons learnt. Des Walker