[Python-Dev] Re: [Python-checkins] python/dist/src/Doc/lib libfuncs.tex,1.134,1.135

[Greg Ewing]

> - 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)

That's clearly useful for mutable types such as lists
and dicts, but for immutable types? Especially one such
as bool whose possible values are so, er, symmetrical
in prominence (is there a succinct word for this
concept?)

Does anyone have a use case for this?

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg@cosc.canterbury.ac.nz	   +--------------------------------------+