[Python-ideas] for/else syntax

[Robert Kern]

Steven D'Aprano wrote:
> On Thu, 1 Oct 2009 09:00:21 pm Antti Rasinen wrote:
>> for x in xs:
>>     if cond(x):
>>         break
>>     # stuff
>> else:
>>     # more stuff
>>
>> My code pattern matching algorithm reads that as an indentation
>> error. An else matches if so many times more often that decoding
>> for..else requires unnecessary effort.
> 
> But then there are these:
> 
> for x in xs:
>     if cond(x):
>         process()
>     else:
>         process_differently()
> else:
>    do_something_else()
> 
> 
> for x in xs:
>     process()
> else:
>    do_something_else()
> 
> 
> They don't look anything like an indentation error to me.

Am I missing something? Since those examples don't have any break statements in 
them, why do you use an else:?

-- 
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