On 2014年2月22日 16:12:27 +0900 "Stephen J. Turnbull" <[email protected]> wrote: > > Note in support: I originally thought that "get" methods would be more > efficient, but since Nick pointed out that "haveattr" is implemented > by catching the exception (Yikes! LBYL implemented by using EAFP!), I > assume that get methods also are (explicitly or implicitly) > implemented that way.
Well, the only way to know that a key (or attribute) exists is to do the lookup. What else would you suggest? And, yes, EAFP can avoid race conditions and the like (besides being more efficient with non-trivial keys). Regards Antoine. _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com