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## Summary This PR adds support for adding symbols and definitions for function and lambda parameters to the semantic index. ### Notes * The default expression of a parameter is evaluated in the enclosing scope (not the type parameter or function scope). * The annotation expression of a parameter is evaluated in the type parameter scope if they're present other in the enclosing scope. * The symbols and definitions are added in the function parameter scope. ### Type Inference There are two definitions `Parameter` and `ParameterWithDefault` and their respective `*_definition` methods on the type inference builder. These methods are preferred and are re-used when checking from a different region. ## Test Plan Add test case for validating that the parameters are defined in the function / lambda scope. ### Benchmark update Validated the difference in diagnostics for benchmark code between `main` and this branch. All of them are either directly or indirectly referencing one of the function parameters. The diff is in the PR description. |
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Red Knot
Semantic analysis for the red-knot project.
Vendored types for the stdlib
This crate vendors typeshed's stubs for the standard library. The vendored stubs can be found in crates/red_knot_python_semantic/vendor/typeshed. The file crates/red_knot_python_semantic/vendor/typeshed/source_commit.txt tells you the typeshed commit that our vendored stdlib stubs currently correspond to.
The typeshed stubs are updated every two weeks via an automated PR using the sync_typeshed.yaml workflow in the .github/workflows directory. This workflow can also be triggered at any time via workflow dispatch.