[Python-Dev] For review: PEP 285: Adding a bool type

2002年3月11日 14:34:11 +1300 (NZDT)

martin@v.loewis.de (Martin v. Loewis):
> > But all other built-in constants have an initial capital letter: None,
> > NotImplemented, Ellipsis, ...
>> Those you bring up are conceptually "objects", in the sense that you
> want to be aware of identity, whereas true and false are conceptually
> "values", in the sense that you never care about their identity, only
> about their state.

But the PEP explicitly defines them as singletons, so that you
*can* rely on identity if you want. On that basis, they should
have capital-letter names.
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	 | A citizen of NewZealandCorp, a	 |
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