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Style Q: Instance variables defined outside of __init__


On Tue, 20 Mar 2018 08:52:29 +0000, Steven D'Aprano wrote:

> On Tue, 20 Mar 2018 02:43:13 -0400, Terry Reedy wrote:
> 
>> I think a claim that in all programs all attributes should be set *in*
>> __init__, as opposed to *during* initialization, is wrong.  All
>> attribute setting is side-effect from a functional view (and usually
>> 'bad' to a functionalist).  There is no reason to not delegate some of
>> it to sub-init functions when it makes sense to do do.  There is good
>> reason to do so when it makes the code easier to understand *and test*.
> 
> That is really well said Terry, thank you for articulating what I was
> thinking but couldn't find the words for.

but why would a functional programmer be programming an OOP class?




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