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Re: Pythonification of the asterisk-based collection packing/unpacking syntax

References <841f4d29-f50b-4b0b-912b-b497fb6e60ec@t16g2000vba.googlegroups.com> <4eed3b00$0$29979$c3e8da3$5496439d@news.astraweb.com> <CAPTjJmr2+CPjM7am1d8c9rFdTXnK5HFGpAAN=cj6DqPj5YYVuQ@mail.gmail.com> <4EED57E5.2020900@wisc.edu>
Date 2011-12-18 14:42 +1100
Subject Re: Pythonification of the asterisk-based collection packing/unpacking syntax
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.3779.1324179728.27778.python-list@python.org> (permalink)

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On Sun, Dec 18, 2011 at 2:03 PM, Evan Driscoll <edriscoll@wisc.edu> wrote:
> Sorry, I just subscribed to the list so am stepping in mid-conversation,

Welcome to the list! If you're curious as to what's happened, check
the archives:
http://mail.python.org/pipermail/python-list/

> Something like ML or Haskell, which does not even allow integer to
> double promotions, is very strong typing. Something like Java, which
> allows some arithmetic conversion and also automatic stringification (a
> la "1" + 1) is somewhere in the middle of the spectrum. Personally I'd
> put Python even weaker on account of things such as '[1,2]*2' and '1 <
> True' being allowed, but on the other hand it doesn't allow "1"+1.

But [1,2]*2 is operator overloading. The language doesn't quietly
convert [1,2] into a number and multiply that by 2, it keeps it as a
list and multiplies the list by 2.

Allowing 1 < True is weaker typing. It should be noted, however, that
"1 < True" is False, and "1 > True" is also False. The comparison
doesn't make much sense, but it's not an error.

ChrisA

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Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-17 06:38 -0800
  Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-17 17:00 +0000
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Roy Smith <roy@panix.com> - 2011-12-17 12:14 -0500
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 04:18 +1100
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-17 12:11 -0800
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-17 23:20 +0000
  Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 00:59 +0000
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 13:45 +1100
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 03:33 +0000
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Roy Smith <roy@panix.com> - 2011-12-17 22:59 -0500
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 15:05 +1100
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-17 21:03 -0600
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 08:46 +0000
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-17 21:08 -0600
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 14:42 +1100
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-17 22:43 -0600
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 16:00 +1100
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-18 06:13 -0800
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 17:03 +0000
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-18 09:40 -0800
  Re: Pythonification of the asterisk-based collection packing/unpacking syntax buck <workitharder@gmail.com> - 2011-12-17 20:52 -0800
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 16:21 +1100
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-17 23:33 -0600
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 07:31 +0000
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-18 19:43 +1100
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Roy Smith <roy@panix.com> - 2011-12-18 08:58 -0500
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-19 01:06 +1100
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-18 13:56 -0600
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Duncan Booth <duncan.booth@invalid.invalid> - 2011-12-19 15:23 +0000
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-18 08:36 +0000
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-18 13:47 -0600
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-19 01:26 +0000
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-18 18:16 -0800
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Andrew Berg <bahamutzero8825@gmail.com> - 2011-12-19 15:57 -0600
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Roy Smith <roy@panix.com> - 2011-12-19 19:30 -0500
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Andrew Berg <bahamutzero8825@gmail.com> - 2011-12-19 19:41 -0600
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-19 19:38 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Andrew Berg <bahamutzero8825@gmail.com> - 2011-12-19 22:04 -0600
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-20 20:51 +0000
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-18 20:00 -0700
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-19 03:36 +0000
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-18 06:35 -0800
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-18 14:20 -0600
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-18 18:23 -0800
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-19 15:35 +1100
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-19 19:31 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-20 15:10 +1100
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-19 02:15 -0800
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-19 19:30 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 06:39 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-24 16:24 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-24 17:01 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-25 06:45 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 13:12 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-25 07:38 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-26 03:23 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 12:58 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-27 08:05 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 14:12 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-27 09:37 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 17:05 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 13:41 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-27 22:57 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-28 03:57 -0800
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-18 17:04 -0800
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-18 16:59 -0800
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-19 02:20 -0800
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-19 19:35 -0800
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-20 05:47 +0000
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2011-12-19 22:39 -0800
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Serhiy Storchaka <storchaka@gmail.com> - 2011-12-20 11:58 +0200
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 06:45 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-25 02:01 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 09:23 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-25 04:51 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 12:50 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-25 06:59 -0800
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 06:41 -0800
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Neal Becker <ndbecker2@gmail.com> - 2011-12-21 10:48 -0500
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 06:47 -0800
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-25 01:57 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 09:21 -0800
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 13:13 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-25 07:47 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-27 23:10 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-27 17:11 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-28 04:05 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-28 15:06 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-28 06:25 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-28 18:08 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-28 04:08 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Lie Ryan <lie.1296@gmail.com> - 2011-12-29 09:29 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-29 03:55 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-29 13:23 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-29 06:20 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Lie Ryan <lie.1296@gmail.com> - 2011-12-30 10:24 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-30 10:30 +1100
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Ethan Furman <ethan@stoneleaf.us> - 2011-12-21 08:33 -0800
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Evan Driscoll <edriscoll@wisc.edu> - 2011-12-17 23:54 -0600
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-18 06:23 -0800
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-18 16:57 -0800
  Re: Pythonification of the asterisk-based collection packing/unpacking syntax Neal Becker <ndbecker2@gmail.com> - 2011-12-22 06:49 -0500
    Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-22 13:12 +0000
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-23 00:30 +1100
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Hans Mulder <hansmu@xs4all.nl> - 2011-12-22 15:13 +0100
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-23 01:30 +1100
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Mel Wilson <mwilson@the-wire.com> - 2011-12-22 10:06 -0500
      Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-24 06:54 -0800
        Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 12:45 +0000
          Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-25 06:55 -0800
            Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-25 16:15 +0000
              Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 12:39 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-27 08:01 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 13:51 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-27 09:27 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-26 15:44 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Chris Angelico <rosuav@gmail.com> - 2011-12-27 11:52 +1100
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-27 02:01 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2012-01-02 18:38 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Rick Johnson <rantingrickjohnson@gmail.com> - 2012-01-02 21:39 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax alex23 <wuwei23@gmail.com> - 2012-01-02 23:01 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2012-01-03 03:21 -0800
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-27 23:07 +0000
                Re: Pythonification of the asterisk-based collection packing/unpacking syntax Eelco <hoogendoorn.eelco@gmail.com> - 2011-12-28 04:04 -0800

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