The Samurai Principle

Fri Sep 10 18:38:45 EDT 2010

On 9/10/10 5:17 PM, Lawrence D'Oliveiro wrote:
> In message<mailman.567.1283927599.29448.python-list at python.org>, 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.

And that is exactly the reason why the Samurai Principle says to not return None 
when the function fails to do what it intended to do.
-- 
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
 -- Umberto Eco