[Python-3000] Is this a bug with list comprehensions or not?
Aahz
aahz at pythoncraft.com
Wed Jul 9 17:35:02 CEST 2008
On Wed, Jul 09, 2008, Carl Johnson wrote:
>
> Python 3.0a5 (r30a5:62856, May 10 2008, 10:34:28)
> [GCC 4.0.1 (Apple Inc. build 5465)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> def f(x):
> ... if x > 5: raise StopIteration
> ...
> >>> [x for x in range(100) if not f(x)]
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "<stdin>", line 1, in <listcomp>
> File "<stdin>", line 2, in f
> StopIteration
> >>> list(x for x in range(100) if not f(x))
> [0, 1, 2, 3, 4, 5]
>
> Certainly, it's an inconsistency compared to generator expressions,
> but is it a bug?
Dunno whether it's a bug, but please file a bug report to track this
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
"as long as we like the same operating system, things are cool." --piranha
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