popCount is a method of Bits, not a FiniteBits

[Edward Kmett]

I'm pretty strongly -1 on moving popCount. Both the Natural and the
slightly more... interesting... Integer implementations of that method have
turned out to be quite useful in practice.

-Edward

On Sat, Nov 30, 2019 at 7:17 AM Oleg Grenrus <oleg.grenrus at iki.fi> wrote:

> I propose to change it to be member of FiniteBits
>
> I recall, there was a proposal to remove bitSize from Bits, so it's an
> opportunity to introduce another small, yet breaking change at the same
> time.
>
> Discussion time 2 week.
>
> - Oleg
>
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