Don't you just love writing this sort of thing :)

Steven D'Aprano steve at REMOVE-THIS-cybersource.com.au
Fri Dec 5 13:15:27 CET 2008


On Fri, 05 Dec 2008 23:16:08 +1300, Lawrence D'Oliveiro wrote:

> In message <0148b086$0$20670$c3e8da3 at news.astraweb.com>, Steven D'Aprano
> wrote:
> 
>> On Fri, 05 Dec 2008 13:27:35 +1300, Lawrence D'Oliveiro wrote:
>> 
>>> In message <mailman.4920.1228383577.3487.python-list at python.org>, Cong
>>> Ma wrote:
>>> 
>>>> The "if ... != None" is not necessary...  "if PatchDatePat.search(f)"
>>>> is OK.
>>> 
>>> I don't do that.
>> 
>> Perhaps you should?
> 
> I prefer using explicitly Boolean values for conditions.

Perhaps you do, but there's no evidence of such in your post. 

bool(PatchDatePat.search(f) != None)

would be an "explicitly Boolean value". What you posted was an 
*implicitly* Boolean value, and not even guaranteed to be Boolean, as 
__ne__ can return any object it likes.

And yes, such a call to bool would be pointless.


-- 
Steven



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