On Jan 24, 2008 3:25 PM, James Thiele <[EMAIL PROTECTED]> wrote: > On Jan 24, 2008 1:14 PM, Christian Heimes <[EMAIL PROTECTED]> wrote: > > > > Indeed! It's one character shorter than "pass", it requires much less > > finger movement and it even looks cool. I like it > > > > However ... can lead to strange looking code, too: > > > > >>> ....__class__.__name__ > > 'ellipsis' > > So ellipsis is a class? > > Can it be subclassed as in: > > class myclass(...): > pass
No, Ellipsis is a singleton, like None. ellipsis is Ellipsis's type, and you can't subclass it: >>> ... Ellipsis >>> Ellipsis Ellipsis >>> type(...) <type 'ellipsis'> >>> class Spam(...): pass ... Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: cannot create 'ellipsis' instances >>> class Spam(type(...)): pass ... Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: type 'ellipsis' is not an acceptable base type Compare with None: >>> type(None) <type 'NoneType'> >>> class Spam(None): pass ... Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: cannot create 'NoneType' instances >>> class Spam(type(None)): pass ... Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: type 'NoneType' is not an acceptable base type -- Thomas Wouters <[EMAIL PROTECTED]> Hi! I'm a .signature virus! copy me into your .signature file to help me spread!
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