>> - bool() called without arguments now returns False rather than >> raising an exception. This is consistent with calling the >> constructors for the other builtin types -- called without argument >> they all return the false value of that type. (SF patch #724135) Greg> That's clearly useful for mutable types such as lists Greg> and dicts, but for immutable types? Especially one such Greg> as bool whose possible values are so, er, symmetrical Greg> in prominence (is there a succinct word for this Greg> concept?) I think that if T is an unknown type, it would be nice for T() to be meaningful in a similar way over as many values of T as possible without special cases. One possible use might be to write type(x)() for a canonical value of the same type as x. -- Andrew Koenig, ark@research.att.com, http://www.research.att.com/info/ark
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