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Re: for...else

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  Re: for...else acdr <mail.acdr@gmail.com> - 2015-06-02 14:52 +0200

#91834 — Re: for...else

That would work for my example, but it would only really work if all
the calculations are in a nice function. If I just have a block of
code, then I can't use it as easily. (E.g. replace
"complicated_calculation_2()" by multiple lines of code, which I don't
want to shove into a separate function.)

On 6/2/15, Jean-Michel Pichavant <jeanmichel@sequans.com> wrote:
> ----- Original Message -----
>> From: "acdr" <mail.acdr@gmail.com>
>> To: python-list@python.org
>> Sent: Tuesday, 2 June, 2015 1:26:42 PM
>> Subject: for...else
>>
>> Hi,
>>
>> Currently, in various places in my code, I have the equivalent of:
>>
>> for x in it:
>>     if complicated_calculation_1():
>>         cleanup()
>>         break
>>     complicated_calculation_2()
>>     if complicated_calculation_3():
>>         cleanup()
>>         break
>
> Hi
>
> With the following layout, adding calculation steps is just a matter of
> adding a line
>
> for x ion it:
>   for calc, cbk in [
>     (complicated_calculation_1, cleanup),
>     (complicated_calculation_2, None),
>     (complicated_calculation_3, cleanup),
>   ]:
>     if calc() and cbk:
>       cbk()
>       break
>
> It might give you ideas.
>
> JM
>
>
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