Thanks for the suggestion.
It isn't a hard rule, but the ndarray namespace is already very large and
cluttered, so generally we have avoided adding new methods in recent years.
(This policy might be worth codifying in a NEP.)
On Mon, Oct 11, 2021 at 7:35 AM Max Ghenis <mghe...@gmail.com> wrote:
> `numpy.isin` is equivalent to `pandas.{Series,DataFrame}.isin`. Adding
> `numpy.ndarray.isin` would produce consistency with `pandas` and save 4
> characters (`np.isin(x, y)` vs. `x.isin(y)`).
>
> I'm adding this idea here in conjunction with filing
> https://github.com/numpy/numpy/issues/20092 per the instructions.
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