Storing objects required by functions.

[Jp Calderone]

On Tue, Dec 30, 2003 at 12:43:13PM -0500, Terry Reedy wrote:
> 
> I default args less bothersome than some people.  The only problem for me
> is that a caller may accidentally give nonesense second param.  If this can
> silently give a junk answer, this is not very acceptable.  In this case,
> random objects without a match() method would raise an exception.
> 
> > g = re.compile('...')
> 
> Use _ to indicate 'private' or 'local-use-only' status.
> 
> _hex = re.compile()
> 

  Why should it be local-use-only?

  Jp
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