Re: 'is not' or '!='

X-Received	by 10.182.107.135 with SMTP id hc7mr3050979obb.48.1408597416689; Wed, 20 Aug 2014 22:03:36 -0700 (PDT)
X-Received	by 10.50.114.170 with SMTP id jh10mr423438igb.6.1408597416544; Wed, 20 Aug 2014 22:03:36 -0700 (PDT)
Path	csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!r2no3932832igi.0!news-out.google.com!q8ni1193qal.1!nntp.google.com!r2no3932824igi.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
Newsgroups	comp.lang.python
Date	Wed, 20 Aug 2014 22:03:35 -0700 (PDT)
In-Reply-To	<87bnrg5h5l.fsf@elektro.pacujo.net>
Complaints-To	groups-abuse@google.com
Injection-Info	glegroupsg2000goo.googlegroups.com; posting-host=59.95.17.207; posting-account=mBpa7woAAAAGLEWUUKpmbxm-Quu5D8ui
NNTP-Posting-Host	59.95.17.207
References	<lsto1s$6gk$1@dont-email.me> <87fvgt7c4i.fsf@elektro.pacujo.net> <lstpe1$gbn$1@dont-email.me> <53F27340.90604@stoneleaf.us> <CALvWhxuXPLXwJhz-y1prvARJutP6BYpE_bbjRrH-8AmbGnnmjg@mail.gmail.com> <CAHXoDSDmNR=XXZ=miL5VD3j7TMNZ-kKRuXgGX5=9hS6ZASvD3w@mail.gmail.com> <mailman.13148.1408453963.18130.python-list@python.org> <8761ho75gv.fsf@elektro.pacujo.net> <53f396eb$0$29993$c3e8da3$5496439d@news.astraweb.com> <87ha185n34.fsf@elektro.pacujo.net> <87bnrg5h5l.fsf@elektro.pacujo.net>
User-Agent	G2/1.0
MIME-Version	1.0
Message-ID	<b84df5e4-53ca-4c7f-a817-de9d224908d4@googlegroups.com> (permalink)
Subject	Re: 'is not' or '!='
From	Rustom Mody <rustompmody@gmail.com>
Injection-Date	Thu, 21 Aug 2014 05:03:36 +0000
Content-Type	text/plain; charset=ISO-8859-1
Xref	csiph.com comp.lang.python:76698

Show key headers only | View raw

On Wednesday, August 20, 2014 2:30:22 AM UTC+5:30, Marko Rauhamaa wrote:

> For a more worthy attempt, we'll have to take a look at Scheme (<URL:
> http://www.scheme.com/tspl2d/objects.html>):

Since you brought up scheme, here is a discussion going on right now
on the Haskell list:

http://www.haskell.org/pipermail/haskell-cafe/2014-August/115659.html
[The lingo is of course different]

In summary it runs thus:
OP asks for 'is' (Haskell has no equivalent of 'is')

Almost all the answers explain why its a bad idea

Thread

'is not' or '!=' "ElChino" <elchino@cnn.cn> - 2014-08-18 22:35 +0200
  Re: 'is not' or '!=' MRAB <python@mrabarnett.plus.com> - 2014-08-18 21:53 +0100
  Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-18 23:53 +0300
    Re: 'is not' or '!=' "ElChino" <elchino@cnn.cn> - 2014-08-18 22:58 +0200
      Re: 'is not' or '!=' Ethan Furman <ethan@stoneleaf.us> - 2014-08-18 14:42 -0700
      Re: 'is not' or '!=' Ethan Furman <ethan@stoneleaf.us> - 2014-08-18 15:19 -0700
      Re: 'is not' or '!=' Chris Kaynor <ckaynor@zindagigames.com> - 2014-08-18 15:04 -0700
        Re: 'is not' or '!=' Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2014-08-19 11:49 +0200
      Re: 'is not' or '!=' Martin S <shieldfire@gmail.com> - 2014-08-19 14:42 +0200
      Re: 'is not' or '!=' Skip Montanaro <skip@pobox.com> - 2014-08-19 08:12 -0500
        Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-19 20:29 +0300
          Re: 'is not' or '!=' Tim Chase <python.list@tim.thechases.com> - 2014-08-19 12:34 -0500
            Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-19 21:18 +0300
          Re: 'is not' or '!=' Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-20 04:26 +1000
            Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-19 21:52 +0300
              Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-20 00:00 +0300
                Re: 'is not' or '!=' Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-19 16:21 -0600
                Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-20 02:02 +0300
                Re: 'is not' or '!=' Rustom Mody <rustompmody@gmail.com> - 2014-08-20 22:03 -0700
                Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-21 08:56 +0300
            Re: 'is not' or '!=' Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-08-19 20:05 +0100
            Re: 'is not' or '!=' Terry Reedy <tjreedy@udel.edu> - 2014-08-19 18:23 -0400
      Re: 'is not' or '!=' Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-19 10:42 -0600
        Re: 'is not' or '!=' Marko Rauhamaa <marko@pacujo.net> - 2014-08-19 20:36 +0300
      Re: 'is not' or '!=' Skip Montanaro <skip@pobox.com> - 2014-08-19 13:44 -0500
    Re: 'is not' or '!=' alister <alister.nospam.ware@ntlworld.com> - 2014-08-19 09:35 +0000
    Re: 'is not' or '!=' Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2014-08-19 11:53 +0200
  Re: 'is not' or '!=' Rustom Mody <rustompmody@gmail.com> - 2014-08-18 19:29 -0700
    Re: 'is not' or '!=' Steven D'Aprano <steve@pearwood.info> - 2014-08-19 08:36 +0000
      Re: 'is not' or '!=' Chris Angelico <rosuav@gmail.com> - 2014-08-19 18:47 +1000
      Re: 'is not' or '!=' Tim Chase <python.list@tim.thechases.com> - 2014-08-19 05:36 -0500
      Re: 'is not' or '!=' Ben Finney <ben+python@benfinney.id.au> - 2014-08-20 09:24 +1000
        Re: 'is not' or '!=' Rustom Mody <rustompmody@gmail.com> - 2014-08-19 21:01 -0700
          Re: 'is not' or '!=' Steven D'Aprano <steve@pearwood.info> - 2014-08-20 04:59 +0000
            Re: 'is not' or '!=' Rustom Mody <rustompmody@gmail.com> - 2014-08-19 22:25 -0700
              Re: 'is not' or '!=' Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-20 21:05 +1000
                Re: 'is not' or '!=' Chris Angelico <rosuav@gmail.com> - 2014-08-20 21:17 +1000
                Re: 'is not' or '!=' Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2014-08-21 20:31 +0200
                Re: 'is not' or '!=' Tim Chase <python.list@tim.thechases.com> - 2014-08-20 06:26 -0500
                Re: 'is not' or '!=' Chris Angelico <rosuav@gmail.com> - 2014-08-20 21:33 +1000
                Re: 'is not' or '!=' Robert Kern <robert.kern@gmail.com> - 2014-08-20 12:40 +0100
                Re: 'is not' or '!=' Rustom Mody <rustompmody@gmail.com> - 2014-08-20 05:01 -0700
  Re: 'is not' or '!=' Dan Stromberg <drsalists@gmail.com> - 2014-08-21 12:24 -0700
    Re: 'is not' or '!=' "ElChino" <elchino@cnn.cn> - 2014-08-21 21:42 +0200

csiph-web