On Feb 11, 7:22 pm, Basilisk96 <basilis...@gmail.com> wrote: >... > where "func" is a single-argument function that returns either a > string or None, but is an expensive call. > I am pretty sure that the sorted() construct cannot be improved much > further, but... > ...does anyone have ideas on improving the "rawPairs" iterator so that > it calls "func(s)" only once per iteration? Perhaps a lambda > construct, but I am not sure how to go about it...? > > Cheers, > Basilisk96
If func is expensive, you could try memoizing it. Then subsequent "calls" just do arg lookups. Michele Simianato has posted a good memoizing decorator on the Python wiki. -- Paul -- http://mail.python.org/mailman/listinfo/python-list
