8000 Add support for `dict.{keys,values,items}.mapping` by KotlinIsland · Pull Request #6039 · python/typeshed · GitHub
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Add support for dict.{keys,values,items}.mapping #6039

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Merged
merged 4 commits into from
Sep 20, 2021
Merged

Add support for dict.{keys,values,items}.mapping #6039

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f4dc069
add dict.{keys,values,items}().mapping
KotlinIsland Sep 16, 2021
04a02db
add OrderedDict.{keys,values,items}().mapping
KotlinIsland Sep 17, 2021
0d11717
make ordereddict views covariant
KotlinIsland Sep 20, 2021
5fd7c9b
make ordereddict generics the wrong way around
KotlinIsland Sep 20, 2021
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make ordereddict views covariant
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@KotlinIsland
KotlinIsland committed Sep 20, 2021
commit 0d117171ac071f9f2e82515a43201c91d1d18aa2
14 changes: 8 additions & 6 deletions stdlib/collections/__init__.pyi
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Expand Up @@ -12,6 +12,8 @@ _S = TypeVar("_S")
_T = TypeVar("_T")
_KT = TypeVar("_KT")
_VT = TypeVar("_VT")
_KT_co = TypeVar("_KT_co", covariant=True)
_VT_co = TypeVar("_VT_co", covariant=True)

# namedtuple is special-cased in the type checker; the initializer is ignored.
if sys.version_info >= (3, 7):
Expand Down Expand Up @@ -236,14 +238,14 @@ class Counter(Dict[_T, int], Generic[_T]):
def __iand__(self, other: Counter[_T]) -> Counter[_T]: ...
def __ior__(self, other: Counter[_T]) -> Counter[_T]: ... # type: ignore

class _OrderedDictKeysView(_dict_keys[_KT, _VT], Reversible[_KT]):
def __reversed__(self) -> Iterator[_KT]: ...
class _OrderedDictKeysView(_dict_keys[_KT_co, _VT_co], Reversible[_KT_co]):
def __reversed__(self) -> Iterator[_KT_co]: ...

class _OrderedDictItemsView(_dict_items[_KT, _VT], Reversible[Tuple[_KT, _VT]]):
def __reversed__(self) -> Iterator[Tuple[_KT, _VT]]: ...
class _OrderedDictItemsView(_dict_items[_KT_co, _VT_co], Reversible[Tuple[_KT_co, _VT_co]]):
def __reversed__(self) -> Iterator[Tuple[_KT_co, _VT_co]]: ...

class _OrderedDictValuesView(_dict_values[_VT, _KT], Reversible[_VT], Generic[_KT, _VT]):
def __reversed__(self) -> Iterator[_VT]: ...
class _OrderedDictValuesView(_dict_values[_VT_co, _KT_co], Reversible[_VT_co], Generic[_KT_co, _VT_co]):
def __reversed__(self) -> Iterator[_VT_co]: ...

class OrderedDict(Dict[_KT, _VT], Reversible[_KT], Generic[_KT, _VT]):
def popitem(self, last: bool = ...) -> Tuple[_KT, _VT]: ...
Expand Down
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