Re: exec

From	Peter Otten <__peter__@web.de>
Subject	Re: exec
Date	2012-03-02 08:26 +0100
Organization	None
References	<4f4f7527$1@news.fhg.de> <4f4f9d55$1@news.fhg.de> <jioaqe$kl0$1@dough.gmane.org>
Newsgroups	comp.lang.python
Message-ID	<mailman.343.1330673184.3037.python-list@python.org> (permalink)

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Prasad, Ramit wrote:

> Hi Peter,
> 
> >>> class Magnitude(object):
> 
> ...     def __init__(self, value):
> ...             self.value = value
> ...     def __call__(self, uf=1):
> ...             if uf == 1:
> ...                     return self
> ...             return self.value
> ...
> 
> >>> class Iron(object):
> 
> ...     def __init__(self):
> ...             self.rho = Magnitude(42)
> ...
> 
> 
> Why did you make uf=1 instead of None?
> 
> ...     def __call__(self, uf=None):
> ...             if uf is None:

That's a design decision of the OP. I suggested an improvement of the 
implementation and left the interface alone.

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exec Rolf Wester <rolf.wester@ilt.fraunhofer.de> - 2012-03-01 14:07 +0100
  Re: exec Jean-Michel Pichavant <jeanmichel@sequans.com> - 2012-03-01 14:46 +0100
  Re: exec Arnaud Delobelle <arnodel@gmail.com> - 2012-03-01 14:13 +0000
  Re: exec Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-03-01 14:21 +0000
  Re: exec Rolf Wester <rolf.wester@ilt.fraunhofer.de> - 2012-03-01 16:58 +0100
    Re: exec Michael Ströder <michael@stroeder.com> - 2012-03-01 17:26 +0100
    Re: exec Peter Otten <__peter__@web.de> - 2012-03-01 18:14 +0100
      Re: exec Rolf Wester <rolf.wester@ilt.fraunhofer.de> - 2012-03-01 18:23 +0100
    Re: exec Peter Otten <__peter__@web.de> - 2012-03-02 08:26 +0100

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