python gripes survey
jacek.generowicz at cern.ch
Mon Aug 25 13:39:57 CEST 2003
Jeff Epler <jepler at unpythonic.net> writes:
> On Sun, Aug 24, 2003 at 05:41:35PM -0700, Patrick Lioi wrote:
> > foo = [yield i*i for i in xrange(100)]
> I also think that this would be a nice thing to have. I think that one
> barrier to it was the lack of an implementation. I don't remember what
> other objections were recorded in the PEP mentioned in another followup.
For the URL-challeneged :-) ...
Generator comprehensions are REJECTED. The rationale is that the
benefits are marginal since generators can already be coded
directly and the costs are high because implementation and
maintenance require major efforts with the parser.
( http://www.python.org/peps/pep-0289.html )
More information about the Python-list