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

2002年3月30日 08:50:50 -0500

On Sat, Mar 30, 2002, Guido van Rossum wrote:
>>> Interestingly enough, the exception message says "__nonzero__ should
>> return an int" but really means "__nonzero__ must return an int".
>> You've been staring at standards too much, haven't you? The
> difference between MUST and SHOULD isn't as clear-cut as most
> standards people use them.

True, but I'd be happy if Python were to take a step in the formal
direction here. I don't think we want to write standards-like
documentation, of course, but adopting a bit more precision couldn't
hurt and might help.
-- 
Aahz (aahz@pythoncraft.com) <*> http://www.pythoncraft.com/
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