Paolino wrote: > Matteo Dell'Amico wrote: >>Why don't you just use "frozenset"? > > This is what I'm doing, but the problem remains IMO. > Anyway with frozenset I have to override __new__ instead of __init__ to > make the initialization which is an operation not described in the > frozenset docs, which makes subclassing frozenset a different operation.
Don't subclass. In [1]: s = frozenset() In [2]: f = set() In [3]: f.add(s) In [4]: f Out[4]: set([frozenset([])]) In [5]: f.remove(s) In [6]: f Out[6]: set([]) -- Robert Kern [EMAIL PROTECTED] "In the fields of hell where the grass grows high Are the graves of dreams allowed to die." -- Richard Harter -- http://mail.python.org/mailman/listinfo/python-list
