On Thursday, April 1, 2021 at 8:15:55 AM UTC-5 Edward K. Ream wrote:

>
> If I were designing Leo's Position class today, I would eliminate or hide 
>> the p.moveTo* methods, the p.copy method, and the copy kwarg for all of 
>> Leo's generators. These changes would make positions immutable. 
>>
>
Or maybe not. the p.moveTo* methods are kinda like progn in lisp. They 
allow an escape hatch to non-functional programming.  In any case, the 
question is moot: Leo's Position class is going to stay as it is. 

Edward

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