On 10/10/13 09:51, Larry Hastings wrote:
Perhaps we could add (egad, no, I can't believe I'm saying this) a new built-in function that tells you whether or not a local variable has been assigned to yet?def range([start,] stop, [step], /): if not bound(start): start = 0 if not bound(step): step = 1 ...
It couldn't be a function in the usual sense, because attempting to evaluate the unbound parameter would raise an exception before the function was called. It would have to be something magical, probably a new piece of syntax understood by the compiler. -- Greg _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
