On 6/26/18 11:34 AM, Franklin? Lee wrote: > > It is not possible to handle `key` without figuring out if a function > is monotonic (a Turing-complete problem in general) or anti-monotonic > (if that is a real term), so you MUST fall back on full iteration if a > key is provided. > Monotonic (in this sense) just means never changing directions, it can be increasing and never decreasing or decreasing and never increasing so we don't need the 'anti-' version.
-- Richard Damon _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
