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Re: static variables

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From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: static variables
Date Wed, 02 Dec 2015 13:30:31 +0200
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Antoon Pardon <antoon.pardon@rece.vub.ac.be>:

> Op 02-12-15 om 11:18 schreef Marko Rauhamaa:
>> I don't know why global accessibility is such a problem.
>
> Some people seem to have a problem with global variables.

Well, *I* don't go around defining global variables, but there are times
when they are the way to go. For example, if a module function uses a
regular expression, the regular expression should be compiled into a
(module) global variable.

Module functions and classes are global variables as well:

    >>> import math
    >>> def f(x): return -1
    ...
    >>> math.sqrt = f
    >>> math.sqrt(3)
    -1


Marko

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Thread

static variables Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-11-30 17:15 +0000
  Re: static variables Terry Reedy <tjreedy@udel.edu> - 2015-11-30 12:38 -0500
  Re: static variables BartC <bc@freeuk.com> - 2015-11-30 20:32 +0000
    Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-01 12:01 +1100
      Re: static variables Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-12-01 08:26 +0000
        Re: static variables Peter Otten <__peter__@web.de> - 2015-12-01 10:01 +0100
        Re: static variables Grobu <snailcoder@retrosite.invalid> - 2015-12-01 10:15 +0100
          Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-02 12:02 +1100
            Re: static variables Erik <python@lucidity.plus.com> - 2015-12-02 01:16 +0000
              Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-02 12:24 +1100
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 09:21 +0100
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 09:34 +0100
                Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-02 21:22 +1100
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 12:09 +0100
                Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-03 00:11 +1100
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 14:41 +0100
                Re: static variables Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-02 13:48 +0000
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 15:07 +0100
                Re: static variables Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-02 08:15 -0600
                Re: static variables Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-02 14:31 +0000
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 16:30 +0100
                Re: static variables Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-02 14:30 -0600
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-03 10:06 +0100
                Re: static variables Chris Angelico <rosuav@gmail.com> - 2015-12-02 20:23 +1100
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 10:47 +0100
                Re: static variables Marko Rauhamaa <marko@pacujo.net> - 2015-12-02 12:18 +0200
                Re: static variables Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-12-02 11:56 +0100
                Re: static variables Marko Rauhamaa <marko@pacujo.net> - 2015-12-02 13:30 +0200
                Re: static variables Steven D'Aprano <steve@pearwood.info> - 2015-12-03 00:17 +1100
        Re: static variables Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2015-12-01 10:58 +0100
          Re: static variables Ulli Horlacher <framstag@rus.uni-stuttgart.de> - 2015-12-01 11:47 +0000

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