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rewrite to be nice to other implementations

This commit is contained in:
Benjamin Peterson 2009-10-22 02:36:47 +00:00
parent 3c67afa714
commit ff81cb812d
1 changed files with 2 additions and 2 deletions
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Doc/library/weakref.rst
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@ -77,8 +77,8 @@ support weak references but can add support through subclassing::
obj = Dict(red=1, green=2, blue=3) # this object is weak referenceable
Other built-in types such as :class:`tuple` and :class:`long` do not support
weak references even when subclassed (those types implemented as a
:ctype:`PyVarObject`).
weak references even when subclassed (This is an implementation detail and may
be different across various Python implementations.).
Extension types can easily be made to support weak references; see
:ref:`weakref-support`.