Path: csiph.com!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!news.iecc.com!.POSTED.news.iecc.com!nerds-end
From: George Neuner <gneuner2@comcast.net>
Newsgroups: comp.compilers
Subject: Re: language design after Algol 60, was Add nested-function support
Date: Thu, 12 Apr 2018 20:57:49 -0400
Organization: A noiseless patient Spider
Lines: 34
Sender: news@iecc.com
Approved: comp.compilers@iecc.com
Message-ID: <18-04-052@comp.compilers>
References: <49854345-f940-e82a-5c35-35078c4189d5@gkc.org.uk> <18-03-103@comp.compilers> <18-03-042@comp.compilers> <18-03-047@comp.compilers> <18-03-075@comp.compilers> <18-03-079@comp.compilers> <18-03-101@comp.compilers> <18-04-002@comp.compilers> <18-04-003@comp.compilers> <18-04-004@comp.compilers> <18-04-035@comp.compilers>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 8bit
Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="65954"; mail-complaints-to="abuse@iecc.com"
Keywords: OOP, design
Posted-Date: 12 Apr 2018 20:58:58 EDT
X-submission-address: compilers@iecc.com
X-moderator-address: compilers-request@iecc.com
X-FAQ-and-archives: http://compilers.iecc.com
Xref: csiph.com comp.compilers:2068

On Tue, 10 Apr 2018 18:32:23 +0000 (UTC), Kaz Kylheku
<157-073-9834@kylheku.com> wrote:

>On 2018-04-09, George Neuner <gneuner2@comcast.net> wrote:
>> IMO, the evidence that many popular languages are not "powerful" is
>> that they are either exclusively or primarily OO, but they implement
>> only single inheritance objects.
>
>I'm surprised that anyone finds multiple inheritance so singularly
>important.
>
>Single inheritance is really only crippling if two kinds of objects have
>to inherit from a common base in order to be substitutable.

That's why SI languages implement interfaces - the poor person's MI.


>If anything, lack of multiple dispatch probably hurts more than lack
>of MI.

I agree that multiple dispatch is at least as important.


>> Wherever you stand on OO as a programming paradigm, you can't deny
>> that single inheritance is the weakest variant of it.
>
>I can place my standpoint almost anywhere in the OO programming
>paradigm, yet not see this. Sorry, George!

You can uncover his eyes, but you can't make him see. <grin>
Sorry Kaz!


George