Add autotyping-like return type inference for annotation rules#8643
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charliermarsh merged 3 commits intomainfrom Nov 14, 2023
Merged
Add autotyping-like return type inference for annotation rules#8643charliermarsh merged 3 commits intomainfrom
charliermarsh merged 3 commits intomainfrom
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dhruvmanila
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| // Wrap in a bitwise union (e.g., `int | float`). | ||
| Some(union(&names)) |
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nit: not critical but maybe we could update union to take an iterator instead to avoid allocating a vector here
| // Wrap in a bitwise union (e.g., `int | float`). | ||
| Some(union(&names)) | ||
| } | ||
| ResolvedPythonType::Union(_) => None, |
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I think it's fine but is there any specific reason we're not implementing the typing.Union variant for pre 3.10?
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Just complexity and/or laziness.
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dhruvmanila
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Nov 14, 2023
dhruvmanila
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Nov 14, 2023
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
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Summary
This PR adds (unsafe) fixes to the flake8-annotations rules that enforce missing return types, offering to automatically insert type annotations for functions with literal return values. The logic is smart enough to generate simplified unions (e.g.,
floatinstead ofint | float) and deal with implicit returns (returnwithout a value).Closes #1640 (though we could open a separate issue for referring parameter types).
Closes #8213.
Test Plan
cargo test