[Python-Dev] Adding a conditional expression in Py3.0
Greg Ewing
greg.ewing at canterbury.ac.nz
Wed Sep 21 03:30:54 CEST 2005
Guido van Rossum wrote:
> I think if we go with (if ... then ... else ...) or (if ...:
> ... else: ...) we'll have to support elif as well:
>
> (if ... then ... elif ... then ... else ...)
> or
> (if ...: ... elif ...: ... else: ...)
One nice thing about "x if b else y" is that it
chains without needing any more keywords:
x if b else y if c else z
But if you require parens, it's not so nice:
(x if b else (y if c else z))
--
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg.ewing at canterbury.ac.nz +--------------------------------------+
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