[Python-Dev] Adding a conditional expression in Py3.0
mwh at python.net
Tue Sep 20 18:34:23 CEST 2005
Guido van Rossum <guido at python.org> writes:
> Unfortunately, if we were to accept Raymond's proposal, we'd have to
> revisit the discussion, since his proposal removes several ways we
> currently avoid the need.
> In fact, I think Raymond's example is more properly considered an
> argument for adding a conditional expression than for removing the
> current behavior of the and/or shortcut operators; had we had a
> conditional expression, he wouldn't have tried to use the "x and y or
> z" syntax that bit him.
> Given this realization, I'm now -1 on Raymond's idea, and +1 on adding
> a conditional expression. I believe (y if x else z) was my favorite
> last time, wasn't it? I've changed the subject accordingly.
It's not the version from the PEP, if that means anything at all...
34. The string is a stark data structure and everywhere it is
passed there is much duplication of process. It is a perfect
vehicle for hiding information.
-- Alan Perlis, http://www.cs.yale.edu/homes/perlis-alan/quotes.html
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