Paolo Veronelli wrote: > Yes this is really strange. > > from sets import Set > class H(Set): > def __hash__(self): > return id(self) > > s=H() > f=set() #or f=Set() > > f.add(s) > f.remove(s) > > No errors. > > So we had a working implementation of sets in the library an put a > broken one in the __builtins__ :( > > Should I consider it a bug ?
Looks like the builtin "set" implicitly converts sets arguments to remove to frozensets. That way, remove looks for "frozenset()" instead of "H()", so it won't work. Doesn't look like a documented behaviour to me, though. -- Ciao, Matteo -- http://mail.python.org/mailman/listinfo/python-list
