For review: PEP 308 - If-then-else expression
Aahz
aahz at pythoncraft.com
Sat Feb 8 10:27:58 EST 2003
In article <yu9965rubyi6.fsf at europa.research.att.com>,
Andrew Koenig <ark at research.att.com> wrote:
>
>Paul> You know, if the inspiration for this syntax (condition in the
>Paul> middle) is list comprehensions, maybe the thing can be improved
>Paul> by requiring parentheses around the expression:
>
>Paul> (x if is_special(x) else y)
>
>Paul> For some reason I find that clearer than the same thing without
>Paul> the parens.
>
>I thought of that too, but would hate to have to explain that the
>compiler rejected
>
> f(x if is_special(x) else y)
>
>because you didn't write
>
> f((x if is_special(x) else y))
How is that any different from tuples? At least this gives an explicit
error message.
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
Register for PyCon now! http://www.python.org/pycon/reg.html
More information about the Python-list
mailing list