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=-0.8 required=5.0 tests=BAYES_00,INVALID_DATE autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 109fba,ef0074ec236ba6e3 X-Google-Attributes: gid109fba,public X-Google-Thread: 1014db,ef0074ec236ba6e3 X-Google-Attributes: gid1014db,public X-Google-Thread: 103376,b19fa62fdce575f9 X-Google-Attributes: gid103376,public X-Google-Thread: 1108a1,ef0074ec236ba6e3 X-Google-Attributes: gid1108a1,public X-Google-Thread: 108717,ef0074ec236ba6e3 X-Google-Attributes: gid108717,public X-Google-ArrivalTime: 1994-11-27 03:58:05 PST Path: nntp.gmd.de!xlink.net!howland.reston.ans.net!gatech!swrinde!sgiblab!spool.mu.edu!caen!msuinfo!harbinger.cc.monash.edu.au!news.cs.su.oz.au!news.adelaide.edu.au!yoyo.aarnet.edu.au!goliath.camtech.com.au!gateway.dircsa.org.au!cleese.apana.org.au!bugalugs.apana.org.au!andrew From: andrew@bugalugs.apana.org.au (Andrew Dunstan) Newsgroups: comp.lang.ada,comp.lang.c,comp.programming,comp.lang.c++,comp.object Subject: Re: What is OO (Was Why don't large companies use Ada?) Date: 27 Nov 1994 11:58:05 GMT Organization: The Bugalugs Machine Distribution: world Message-ID: <3b9s8d$m58@cleese.apana.org.au> References: <3aamuc$14l@matrix.fwi.uva.nl> <785104767snz@rippleco.demon.co.uk> <5918@gec-mrc.co.uk> NNTP-Posting-Host: bugalugs.apana.org.au Xref: nntp.gmd.de comp.lang.ada:17033 comp.lang.c:70153 comp.programming:13152 comp.lang.c++:80784 comp.object:17923 Date: 1994-11-27T11:58:05+00:00 List-Id: In article <5918@gec-mrc.co.uk>, paj@gec-mrc.co.uk (Paul Johnson) writes: |> Yes, but you missed out inheritance. What you have described is the |> object *based* techniques. Object *oriented* techniques allow the |> programmer to describe new classes of objects in terms of their |> similarity to existing classes. This is impossible in some |> traditional languages (e.g Ada) and very difficult in others (e.g C). |> That was the main push behind the development of OO languages. Your statement implies that this is more possible in C than in Ada83. Would you care to justify that? I've written a lot in both, and AFAIK there is nothing at all more you can do in this line in C than in Ada83. Rather the reverse. cheers andrew