Re: break in a module

Date	2011-06-16 22:20 -0700
From	Erik Max Francis <max@alcyone.com>
Organization	Alcyone Systems
Newsgroups	comp.lang.python
Subject	Re: break in a module
References	(7 earlier) <mailman.51.1308272276.1164.python-list@python.org> <VOGdnS1-M-W9MWfQnZ2dnUVZ5vSdnZ2d@giganews.com> <mailman.56.1308275948.1164.python-list@python.org> <CuGdnS_kSq52S2fQnZ2dnUVZ5vudnZ2d@giganews.com> <mailman.59.1308286253.1164.python-list@python.org>
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Ian Kelly wrote:
> On Thu, Jun 16, 2011 at 10:24 PM, Erik Max Francis <max@alcyone.com> wrote:
>> True.  So let's use `in` to represent breaking out of the top-level code of
>> a module.  Why not, it's not the first time a keyword has been reused,
>> right?
>>
>> The point is, if it's not obvious already from that facetious proposal, it's
>> not a good idea to reuse keywords that really read very differently than
>> their original use.  Reusing `break` (or `return`) this way would be rather
>> abusive.
> 
> Yes, using `in` to mean "break out of a block" would obviously be a
> terrible choice, since the word "in" has nothing to do with breaking.
> I really don't see why using `break` to mean "break out of a block" is
> counter-intuitive, especially since as you point out it is already
> used that way for two particular types of blocks.  The proposed usage
> merely adds a third type.
> 
> I think a stronger objection might be that it disrupts the homology of
> `break` and `continue`, since continuing a module is meaningless.

Yes, which could be rephrased as the fact that `break` and `continue` 
are restricted to looping control structures, so reusing `break` in this 
context would be a bad idea.  You know, kind of like the exact point I 
made earlier which you're trying to nitpick in another reply.

-- 
Erik Max Francis && max@alcyone.com && http://www.alcyone.com/max/
  San Jose, CA, USA && 37 18 N 121 57 W && AIM/Y!M/Skype erikmaxfrancis
   Maybe I could see you / When this is over
    -- Scritti Politti

Thread

Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-14 16:28 -0700
  Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-14 16:51 -0700
    Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-14 18:51 -0600
      Re: break in a module Ben Finney <ben+python@benfinney.id.au> - 2011-06-15 11:33 +1000
        Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-14 20:21 -0600
          Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 15:09 -0700
        Re: break in a module Dave Angel <davea@ieee.org> - 2011-06-15 00:02 -0400
      Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 15:07 -0700
        Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 09:27 +1000
          Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 16:29 -0700
            Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-16 18:00 -0600
            Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 10:01 +1000
              Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 18:13 -0700
                Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-16 19:17 -0700
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 21:21 -0700
                Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 22:53 -0600
        Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-17 00:48 +0000
          Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 10:57 +1000
            Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 18:21 -0700
              Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-16 19:11 -0700
              Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 19:58 -0600
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 21:24 -0700
                Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 22:50 -0600
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 22:20 -0700
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 15:56 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-17 06:00 +0000
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-17 00:09 -0700
                Re: break in a module Cameron Simpson <cs@zip.com.au> - 2011-06-18 12:36 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-18 03:50 +0000
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-18 14:31 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-18 04:49 +0000
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-18 15:06 +1000
                Re: break in a module Cameron Simpson <cs@zip.com.au> - 2011-06-21 20:04 +1000
                Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-17 00:25 -0600
    Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-15 11:33 +1000

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