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Improve several stdlib setdefault methods (#9612)

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Alex Waygood
2023-01-31 23:39:24 +00:00
committed by GitHub
parent 064f7af176
commit 9e71de0421
5 changed files with 37 additions and 6 deletions
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8
stdlib/collections/__init__.pyi
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@@ -354,7 +354,7 @@ class OrderedDict(dict[_KT, _VT], Reversible[_KT], Generic[_KT, _VT]):
def fromkeys(cls, iterable: Iterable[_T], value: _S) -> OrderedDict[_T, _S]: ...
# Keep OrderedDict.setdefault in line with MutableMapping.setdefault, modulo positional-only differences.
@overload
def setdefault(self: OrderedDict[_KT, _T | None], key: _KT) -> _T | None: ...
def setdefault(self: OrderedDict[_KT, _T | None], key: _KT, default: None = None) -> _T | None: ...
@overload
def setdefault(self, key: _KT, default: _VT) -> _VT: ...
@@ -404,7 +404,11 @@ class ChainMap(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
def __contains__(self, key: object) -> bool: ...
def __missing__(self, key: _KT) -> _VT: ... # undocumented
def __bool__(self) -> bool: ...
def setdefault(self, key: _KT, default: _VT = ...) -> _VT: ...
# Keep ChainMap.setdefault in line with MutableMapping.setdefault, modulo positional-only differences.
@overload
def setdefault(self: ChainMap[_KT, _T | None], key: _KT, default: None = None) -> _T | None: ...
@overload
def setdefault(self, key: _KT, default: _VT) -> _VT: ...
@overload
def pop(self, key: _KT) -> _VT: ...
@overload