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builtins.pyi: Use two type vars #3291

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Merged
merged 2 commits into from
Oct 3, 2019
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builtins.pyi: Use two type vars #3291

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builtins.pyi: Use two type vars
utkarsh2102 Oct 1, 2019
a2ffcbf
builtins.pyi: Use two type vars
utkarsh2102 Oct 3, 2019
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4 changes: 3 additions & 1 deletion stdlib/2/__builtin__.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -1189,7 +1189,9 @@ else:
@overload
def iter(__iterable: Iterable[_T]) -> Iterator[_T]: ...
@overload
def iter(__function: Callable[[], _T], __sentinel: _T) -> Iterator[_T]: ...
def iter(__function: Callable[[], Optional[_T]], __sentinel: None) -> Iterator[_T]: ...
@overload
def iter(__function: Callable[[], Any], __sentinel: Any) -> Iterator[Any]: ...
def isinstance(__o: object, __t: Union[type, Tuple[Union[type, Tuple[Any, ...]], ...]]) -> bool: ...
def issubclass(__cls: type, __classinfo: Union[type, Tuple[Union[type, Tuple[Any, ...]], ...]]) -> bool: ...
def len(__o: Sized) -> int: ...
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4 changes: 3 additions & 1 deletion stdlib/2and3/builtins.pyi
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Expand Up @@ -1189,7 +1189,9 @@ else:
@overload
def iter(__iterable: Iterable[_T]) -> Iterator[_T]: ...
@overload
def iter(__function: Callable[[], _T], __sentinel: _T) -> Iterator[_T]: ...
def iter(__function: Callable[[], Optional[_T]], __sentinel: None) -> Iterator[_T]: ...
@overload
def iter(__function: Callable[[], Any], __sentinel: Any) -> Iterator[Any]: ...
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the Any is too relaxed here. the output from the callable will always be the same as the value yielded by the iterator, regardless of what the sentinel type is. i will open a pull request to make this more strict.

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#3326

def isinstance(__o: object, __t: Union[type, Tuple[Union[type, Tuple[Any, ...]], ...]]) -> bool: ...
def issubclass(__cls: type, __classinfo: Union[type, Tuple[Union[type, Tuple[Any, ...]], ...]]) -> bool: ...
def len(__o: Sized) -> int: ...
Expand Down