On Sat, 11 Sep 2010 10:17:21 +1200, Lawrence D'Oliveiro wrote: > In message <[email protected]>, Ian > Kelly wrote: > >> And returning None on failure is dangerous, because if the programmer >> does not take care to handle that case, the program may attempt to >> regard it as actual data. > > But None *is* actual data.
Of course it is. Which makes it hard to distinguish None used as data from None used as a signal for an exceptional case. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
