Decide whether (new) ExtensionArrays and Dtypes are public · Issue #22860 · pandas-dev/pandas (original) (raw)

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Description

This mostly affects

1. IntervalArray
2. PeriodArray
3. DatetimeArray (and maybe TimedeltaArray if we do that)
4. SparseArray
5. IntegerArray

Categorical is already public, so let's leave that out.

A few questions

1. do we allow users to construct these directly (via a set of to_*_array methods, or a top-ish-level pd.array([...], dtype) method)?
2. Do users see these when they do .values or any operation returning an array (.unique, probably others)?