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1feb3cf41a
## Summary Use `Unknown | T_inferred` as the type for *undeclared* public symbols. ## Test Plan - Updated existing tests - New test for external `__slots__` modifications. - New tests for external modifications of public symbols.
901 B
901 B
Instance subscript
Getitem unbound
class NotSubscriptable: ...
a = NotSubscriptable()[0] # error: "Cannot subscript object of type `NotSubscriptable` with no `__getitem__` method"
Getitem not callable
class NotSubscriptable:
__getitem__ = None
# error: "Method `__getitem__` of type `Unknown | None` is not callable on object of type `NotSubscriptable`"
a = NotSubscriptable()[0]
Valid getitem
class Identity:
def __getitem__(self, index: int) -> int:
return index
reveal_type(Identity()[0]) # revealed: int
Getitem union
def _(flag: bool):
class Identity:
if flag:
def __getitem__(self, index: int) -> int:
return index
else:
def __getitem__(self, index: int) -> str:
return str(index)
reveal_type(Identity()[0]) # revealed: int | str