what exactly is "None" ?
Erik Max Francis
max at alcyone.com
Wed Mar 5 03:32:25 CET 2003
phil hunt wrote:
> None is equal to None. All values other than None are not equal t
Unfortunately, that's not quite true, since a custom class can override
__cmp__ or __eq__ to make it equal (==) to None. The proper way to
check for None-ness is by identity (is).
It's true for all the builtin types, though.
Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
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