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- from typing import Union, Tuple, Any
- import numpy as np
- # NOTE: `_StrLike_co` and `_BytesLike_co` are pointless, as `np.str_` and
- # `np.bytes_` are already subclasses of their builtin counterpart
- _CharLike_co = Union[str, bytes]
- # The 6 `<X>Like_co` type-aliases below represent all scalars that can be
- # coerced into `<X>` (with the casting rule `same_kind`)
- _BoolLike_co = Union[bool, np.bool_]
- _UIntLike_co = Union[_BoolLike_co, np.unsignedinteger]
- _IntLike_co = Union[_BoolLike_co, int, np.integer]
- _FloatLike_co = Union[_IntLike_co, float, np.floating]
- _ComplexLike_co = Union[_FloatLike_co, complex, np.complexfloating]
- _TD64Like_co = Union[_IntLike_co, np.timedelta64]
- _NumberLike_co = Union[int, float, complex, np.number, np.bool_]
- _ScalarLike_co = Union[
- int,
- float,
- complex,
- str,
- bytes,
- np.generic,
- ]
- # `_VoidLike_co` is technically not a scalar, but it's close enough
- _VoidLike_co = Union[Tuple[Any, ...], np.void]
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