A small inconsistency in syntax?

Roman Suzi rnd at onego.ru
Tue Oct 30 05:23:34 CET 2001


On Thu, 25 Oct 2001, Michael Abbott wrote:

>It seems to me that there's a little inconsistency in assigning to tuples:
>
>    	>>> (x,) = ()
>    	Traceback (most recent call last):
>    	  File "<stdin>", line 1, in ?
>    	ValueError: unpack tuple of wrong size
>
>Yes, that's what I expect.
>
>    	>>> () = ()
>    	SyntaxError: can't assign to ()
>
>Eh?  Why not?  It's just a matter of checking that the right hand side
>really is an empty tuple...

Well, maybe one day Python will allow:

= ()

as well ;-)

() on the LHS is a target list constructor and assignment
really needs targets there.

Sincerely yours, Roman Suzi
-- 
_/ Russia _/ Karelia _/ Petrozavodsk _/ rnd at onego.ru _/
_/ Tuesday, October 30, 2001 _/ Powered by Linux RedHat 6.2 _/
_/ "Tax rich bachelors heavily. Why should they be so happy?" _/





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