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- from typing import Any, TypeAlias
- 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: TypeAlias = str | bytes
- # The `<X>Like_co` type-aliases below represent all scalars that can be
- # coerced into `<X>` (with the casting rule `same_kind`)
- _BoolLike_co: TypeAlias = bool | np.bool
- _UIntLike_co: TypeAlias = bool | np.unsignedinteger | np.bool
- _IntLike_co: TypeAlias = int | np.integer | np.bool
- _FloatLike_co: TypeAlias = float | np.floating | np.integer | np.bool
- _ComplexLike_co: TypeAlias = complex | np.number | np.bool
- _NumberLike_co: TypeAlias = _ComplexLike_co
- _TD64Like_co: TypeAlias = int | np.timedelta64 | np.integer | np.bool
- # `_VoidLike_co` is technically not a scalar, but it's close enough
- _VoidLike_co: TypeAlias = tuple[Any, ...] | np.void
- _ScalarLike_co: TypeAlias = complex | str | bytes | np.generic
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