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Viewing changes to bzrlib/_static_tuple_py.py

  • Committer: John Arbash Meinel
  • Date: 2009-10-12 17:07:05 UTC
  • mto: This revision was merged to the branch mainline in revision 4736.
  • Revision ID: john@arbash-meinel.com-20091012170705-g1v51yp2kfve4f0r
Add a comment to help Matthew Nordhoff understand why we have:

_empty_tuple = None
_empty_tuple = StaticTuple()

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Lines of Context:
bzrlib/_static_tuple_py.py
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        return _interned_tuples.setdefault(self, self)
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# Have to set it to None first, so that __new__ can determine whether
 
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# the _empty_tuple singleton has been created yet or not.
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_empty_tuple = None
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_empty_tuple = StaticTuple()
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_interned_tuples = {}