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Re: Promoting Python

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From Chris Angelico <rosuav@gmail.com>
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Subject Re: Promoting Python
Date Thu, 7 Apr 2016 00:20:26 +1000
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On Thu, Apr 7, 2016 at 12:14 AM, Marko Rauhamaa <marko@pacujo.net> wrote:
> Seriously, Python wouldn't be, couldn't be Turing-complete without
> "while" (mainly because it doesn't support tail-recursion elimination).

Side point: Turing completeness actually assumes a mythical Turing
machine with infinite memory. So Python could be implemented without
tail call elimination, executed on a machine with infinite stack
space, and would only need removal of sys.*recursion_limit, and it'd
be valid. The *language* isn't broken because of that. Plus, anyone
could implement a Python interpreter with TCE. There might well be
some out there already. The only issue is that you'd mess with
tracebacks, so Guido doesn't want it.

ChrisA

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Thread

Promoting Python "Gordon( Hotmail )" <sionet3344@hotmail.co.uk> - 2016-04-05 06:48 +0100
  Re: Promoting Python Rustom Mody <rustompmody@gmail.com> - 2016-04-05 00:31 -0700
    Re: Promoting Python Joel Goldstick <joel.goldstick@gmail.com> - 2016-04-05 08:06 -0400
      Re: Promoting Python alister <alister.ware@ntlworld.com> - 2016-04-05 18:02 +0000
        Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-05 19:47 +0100
          Re: Promoting Python alister <alister.ware@ntlworld.com> - 2016-04-05 19:38 +0000
    Re: Promoting Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-05 08:13 -0400
      Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-05 15:31 +0300
  Re: Promoting Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-06 20:52 +1200
    Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 12:12 +0300
  Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-06 12:06 +0100
    Re: Promoting Python Ned Batchelder <ned@nedbatchelder.com> - 2016-04-06 04:38 -0700
      Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-06 14:21 +0100
    Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 14:46 +0300
      Re: Promoting Python Michael Selik <michael.selik@gmail.com> - 2016-04-06 13:33 +0000
        Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 17:14 +0300
          Re: Promoting Python Chris Angelico <rosuav@gmail.com> - 2016-04-07 00:20 +1000
            Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 21:23 +0300
              Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 21:50 +0300
              Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 22:30 +0300
          Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 22:22 +0300
            Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 22:59 +0300
              Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 23:39 +0300
                Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-07 01:03 +0300
                Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-07 09:30 +0300
                Re: Promoting Python Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-07 00:56 -0600
                Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-07 10:19 +0300
                Re: Promoting Python Steven D'Aprano <steve@pearwood.info> - 2016-04-08 16:09 +1000
          Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 23:05 +0300
      Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-06 14:54 +0100
        Re: Promoting Python Marko Rauhamaa <marko@pacujo.net> - 2016-04-06 17:08 +0300
          Re: Promoting Python Larry Martell <larry.martell@gmail.com> - 2016-04-06 10:36 -0400
        Re: Promoting Python Chris Angelico <rosuav@gmail.com> - 2016-04-07 00:14 +1000
        Re: Promoting Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-06 15:20 +0100
          Re: Promoting Python Ned Batchelder <ned@nedbatchelder.com> - 2016-04-06 07:34 -0700
            Re: Promoting Python Ned Batchelder <ned@nedbatchelder.com> - 2016-04-06 10:55 -0700
              Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-06 23:24 +0100
          Re: Promoting Python BartC <bc@freeuk.com> - 2016-04-06 18:04 +0100
    Re: Promoting Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-06 08:04 -0400
    Re: Promoting Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-06 13:39 +0100
    Re: Promoting Python Steven D'Aprano <steve@pearwood.info> - 2016-04-07 03:40 +1000

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