[ty] Disallow Final in function parameter/return-type annotations
#19480
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AlexWaygood
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| if annotated.is_some_and(|annotated| annotated.qualifiers.contains(TypeQualifiers::FINAL)) { | ||
| if let Some(builder) = self.context.report_lint(&INVALID_TYPE_FORM, parameter) { | ||
| builder.into_diagnostic("`Final` is not allowed in function parameter annotations"); | ||
| } | ||
| } |
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I believe the same goes for ClassVar FWIW; we could add that rule as well, while we're here?
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I believe the same goes for
ClassVarFWIW; we could add that rule as well, while we're here?
ClassVar should be disallowed in many more positions as well. I'll write up a ticket. Seems like a good beginner task?
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Final in function parameter annotationsFinal in function parameter/return-type annotations
AlexWaygood
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* main: (76 commits) Move fix suggestion to subdiagnostic (#19464) [ty] Implement non-stdlib stub mapping for classes and functions (#19471) [ty] Disallow illegal uses of `ClassVar` (#19483) [ty] Disallow `Final` in function parameter/return-type annotations (#19480) [ty] Extend `Final` test suite (#19476) [ty] Minor change to diagnostic message for invalid Literal uses (#19482) [ty] Detect illegal non-enum attribute accesses in Literal annotation (#19477) [ty] Reduce size of `TypeInference` (#19435) Run MD tests for Markdown-only changes (#19479) Revert "[ty] Detect illegal non-enum attribute accesses in Literal annotation" [ty] Detect illegal non-enum attribute accesses in Literal annotation [ty] Added semantic token support for more identifiers (#19473) [ty] Make tuple subclass constructors sound (#19469) [ty] Pass down specialization to generic dataclass bases (#19472) [ty] Garbage-collect reachability constraints (#19414) [ty] Implicit instance attributes declared `Final` (#19462) [ty] Expansion of enums into unions of literals (#19382) [ty] Avoid rechecking the entire project when changing the opened files (#19463) [ty] Add warning for unknown `TY_MEMORY_REPORT` value (#19465) [ty] Sync vendored typeshed stubs (#19461) ...
dcreager
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* main: [ty] Use `ThinVec` for sub segments in `PlaceExpr` (#19470) [ty] Splat variadic arguments into parameter list (#18996) [`flake8-pyi`] Skip fix if all `Union` members are `None` (`PYI016`) (#19416) Skip notebook with errors in ecosystem check (#19491) [ty] Consistent use of American english (in rules) (#19488) [ty] Support iterating over enums (#19486) Fix panic for illegal `Literal[…]` annotations with inner subscript expressions (#19489) Move fix suggestion to subdiagnostic (#19464) [ty] Implement non-stdlib stub mapping for classes and functions (#19471) [ty] Disallow illegal uses of `ClassVar` (#19483) [ty] Disallow `Final` in function parameter/return-type annotations (#19480) [ty] Extend `Final` test suite (#19476) [ty] Minor change to diagnostic message for invalid Literal uses (#19482) [ty] Detect illegal non-enum attribute accesses in Literal annotation (#19477) [ty] Reduce size of `TypeInference` (#19435) Run MD tests for Markdown-only changes (#19479) Revert "[ty] Detect illegal non-enum attribute accesses in Literal annotation" [ty] Detect illegal non-enum attribute accesses in Literal annotation [ty] Added semantic token support for more identifiers (#19473) [ty] Make tuple subclass constructors sound (#19469)
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Summary
Disallow
Finalin function parameter- and return-type annotations.Typing spec:
Test Plan
Updated MD test