[Python-ideas] `numbers.Natural`

[Ram Rachum]

I agree with both the points you raised, they're both disadvantages. The
question is whether the uses would be worth these two disadvantages.
(`collections.Hashable` also has the second disadvantage you mentioned, and
it's still in the stdlib, so there's hope.)

On Fri, Sep 26, 2014 at 9:10 PM, Thomas Gläßle <t_glaessle at gmx.de> wrote:

>  At first glance it sounds nice and straight forward.
> But - is a natural positive, or just non-negative? I guess, I'd have to
> look it up in the docs each time, since either definition is used in lots
> of places.
> Also, Natural does not correspond to the python type, but its value. So,
> you couldn't use it with issubclass.
>
>
> Ram Rachum wrote on 09/26/2014 07:54 PM:
>
> I wish the `numbers` module would include a `Natural` class that would
> simply check whether the number is integral and positive.
>
>
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