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: 103376,1f0e8beefacb537e X-Google-Attributes: gid103376,public From: "Matthew Heaney" Subject: Re: Engineering types hierarchy Date: 1999/09/08 Message-ID: <37d6c9ab@news1.prserv.net>#1/1 X-Deja-AN: 522661130 Content-transfer-encoding: 7bit References: <7r50i7$e893@svlss.lmms.lmco.com> Content-Type: text/plain; charset="US-ASCII" X-Complaints-To: abuse@prserv.net X-Trace: 8 Sep 1999 20:40:11 GMT, 32.101.8.119 Organization: Global Network Services - Remote Access Mail & News Services Mime-version: 1.0 Newsgroups: comp.lang.ada Date: 1999-09-08T00:00:00+00:00 List-Id: In article , Hyman Rosen wrote: > Although this is an Ada group, I am moved to demonstrate a C++ solution > which is applicable when all units are known at compile time. It's from > Barton & Nackman's excellant "Scientific and Engineering C++", and is > quite beautiful. Perhaps it can be transformed into Ada by someone who > knows more about the language than I do. This is indeed very similar to an approach that has already been written in Ada. It appeared in Do While Jones' book, and was an IEEE standard (I think) which was spear-headed by Bill Whitaker (I think). I still prefer the approach I showed in another post, but YMMV. Matt