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[red-knot] function signature representation (#14304)
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## Summary

Add a typed representation of function signatures (parameters and return
type) and infer it correctly from a function.

Convert existing usage of function return types to use the signature
representation.

This does not yet add inferred types for parameters within function body
scopes based on the annotations, but it should be easy to add as a next
step.

Part of #14161 and #13693.

## Test Plan

Added tests.
This commit is contained in:
Carl Meyer 2024-11-14 15:34:24 -08:00 • committed by GitHub
parent ba6c7f6897
commit a48d779c4e
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GPG key ID: B5690EEEBB952194
8 changed files with 559 additions and 67 deletions
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crates/ruff_benchmark/benches/red_knot.rs
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@ -34,7 +34,6 @@ static EXPECTED_DIAGNOSTICS: &[&str] = &[
"error[conflicting-declarations] /src/tomllib/_parser.py:108:17 Conflicting declared types for `second_char`: Unknown, str | None",
"error[possibly-unresolved-reference] /src/tomllib/_parser.py:115:14 Name `char` used when possibly not defined",
"error[possibly-unresolved-reference] /src/tomllib/_parser.py:126:12 Name `char` used when possibly not defined",
"error[call-possibly-unbound-method] /src/tomllib/_parser.py:246:15 Method `__class_getitem__` of type `Literal[frozenset]` is possibly unbound",
"error[conflicting-declarations] /src/tomllib/_parser.py:267:9 Conflicting declared types for `char`: Unknown, str | None",
"error[possibly-unresolved-reference] /src/tomllib/_parser.py:348:20 Name `nest` used when possibly not defined",
"error[possibly-unresolved-reference] /src/tomllib/_parser.py:353:5 Name `nest` used when possibly not defined",