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Make itertools.groupby covariant (#11032)

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This commit is contained in:
Alex Waygood
2023-11-17 11:33:14 +00:00
committed by GitHub
parent 4aae235cef
commit 4982061ab3
2 changed files with 13 additions and 3 deletions
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5
stdlib/itertools.pyi
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@@ -10,6 +10,7 @@ _T = TypeVar("_T")
_S = TypeVar("_S")
_N = TypeVar("_N", int, float, SupportsFloat, SupportsInt, SupportsIndex, SupportsComplex)
_T_co = TypeVar("_T_co", covariant=True)
_S_co = TypeVar("_S_co", covariant=True)
_T1 = TypeVar("_T1")
_T2 = TypeVar("_T2")
_T3 = TypeVar("_T3")
@@ -84,13 +85,13 @@ class filterfalse(Iterator[_T]):
def __iter__(self) -> Self: ...
def __next__(self) -> _T: ...
class groupby(Iterator[tuple[_T, Iterator[_S]]], Generic[_T, _S]):
class groupby(Iterator[tuple[_T_co, Iterator[_S_co]]], Generic[_T_co, _S_co]):
@overload
def __new__(cls, iterable: Iterable[_T1], key: None = None) -> groupby[_T1, _T1]: ...
@overload
def __new__(cls, iterable: Iterable[_T1], key: Callable[[_T1], _T2]) -> groupby[_T2, _T1]: ...
def __iter__(self) -> Self: ...
def __next__(self) -> tuple[_T, Iterator[_S]]: ...
def __next__(self) -> tuple[_T_co, Iterator[_S_co]]: ...
class islice(Iterator[_T]):
@overload