Brad <schi...@gmail.com> writes: > Maybe this would be difficult to get into the core, but how about this > idea: Rename the current filter function to something like "split" or > "partition" (which I agree may be a better name) and modify it to > return the desired true and false sequences. Then recreate the > existing "filter" function with a wrapper that throws away the false > sequence.
This isn't so attractive, since filter takes a sequence input but returns a list. So if I have an iterator that produces a billion elements of which I expect three to satisfy some predicate, then xs = filter(func, seq) as currently implemented will build a 3-element list and return it. Under your suggestion, it would also build and throw away an (almost) billion element list. -- http://mail.python.org/mailman/listinfo/python-list
