issue_comments: 610159680

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html_url	issue_url	id	node_id	user	created_at	updated_at	author_association	body	reactions	performed_via_github_app	issue
https://github.com/pydata/xarray/pull/3643#issuecomment-610159680	https://api.github.com/repos/pydata/xarray/issues/3643	610159680	MDEyOklzc3VlQ29tbWVudDYxMDE1OTY4MA==	3460034	2020-04-07T03:58:05Z	2020-04-07T03:58:05Z	CONTRIBUTOR	Also, after glancing through all this, it seems like xarray is dealing inconsistently with the type casting hierarchy: Construction/wrapping allowing `__array_function__`-defining duck arrays among other explictly listed additions (pandas.Index, dask arrays, etc., see https://github.com/pydata/xarray/blob/9b5140e0711247c373987b56726282140b406d7f/xarray/core/variable.py#L166) Binary ops only denying based on xarray's internal hierarchy (Dataset, DataArray, Variable), otherwise deferring to underlying data `__array_ufunc__` allowing a list of supported types (https://github.com/pydata/xarray/blob/9b5140e0711247c373987b56726282140b406d7f/xarray/core/arithmetic.py#L24-L30 along with `SupportsArithmetic`) (`__array_function__` yet to be defined) Should this be its own issue?	{ "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0 }		539988974