| """ |
| Tests basic usage of ParamSpec. |
| """ |
|
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| |
|
|
| from typing import Any, Callable, Concatenate, ParamSpec, TypeAlias |
|
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| P = ParamSpec("P") |
| WrongName = ParamSpec("NotIt") |
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| |
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| TA1: TypeAlias = P |
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| TA2: TypeAlias = Callable[P, None] |
| TA3: TypeAlias = Callable[Concatenate[int, P], None] |
| TA4: TypeAlias = Callable[..., None] |
| TA5: TypeAlias = Callable[..., None] |
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|
| def func1(x: P) -> P: |
| raise NotImplementedError |
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| def func2(x: Concatenate[int, P]) -> int: |
| raise NotImplementedError |
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|
| def func3(x: list[P]) -> None: |
| ... |
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|
| def func4(x: Callable[[int, str], P]) -> None: |
| ... |
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|
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| def func5(*args: P, **kwargs: P) -> None: |
| ... |
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|
