[EMAIL PROTECTED] writes:
> Update of /cvsroot/python/python/dist/src/Python
> In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv26507/Python
>
> Modified Files:
> compile.c
> Log Message:
> Transform "x in (1,2,3)" to "x in frozenset([1,2,3])".
>
> Inspired by Skip's idea to recognize the throw-away nature of sequences
> in this context and to transform their type to one with better performance.
This breaks code:
>>> [] in (1,)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: list objects are unhashable
(and so breaks test_email -- is noone else running the test suite?).
It's a cute idea, but IMHO violates the principle of least surprise
too much.
Cheers,
mwh
--
ZAPHOD: Who are you?
ROOSTA: A friend.
ZAPHOD: Oh yeah? Anyone's friend in particular, or just generally
well-disposed to people? -- HHGttG, Episode 7
_______________________________________________
Python-Dev mailing list
[email protected]
http://mail.python.org/mailman/listinfo/python-dev
Unsubscribe:
http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
