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Carl Meyer 645ce7e5ec [red-knot] infer types for PEP695 typevars (#14182 ) ## Summary Create definitions and infer types for PEP 695 type variables. This just gives us the type of the type variable itself (the type of `T` as a runtime object in the body of `def f[T](): ...`), with special handling for its attributes `__name__`, `__bound__`, `__constraints__`, and `__default__`. Mostly the support for these attributes exists because it is easy to implement and allows testing that we are internally representing the typevar correctly. This PR doesn't yet have support for interpreting a typevar as a type annotation, which is of course the primary use of a typevar. But the information we store in the typevar's type in this PR gives us everything we need to handle it correctly in a future PR when the typevar appears in an annotation. ## Test Plan Added mdtest.	2024-11-08 21:23:05 +00:00
..
mdtest	[red-knot] infer types for PEP695 typevars (#14182 )	2024-11-08 21:23:05 +00:00
README.md	[red-knot] document test framework (#13695 )	2024-10-10 12:02:01 -07:00

[red-knot] infer types for PEP695 typevars (#14182 )

## Summary

Create definitions and infer types for PEP 695 type variables.

This just gives us the type of the type variable itself (the type of `T`
as a runtime object in the body of `def f[T](): ...`), with special
handling for its attributes `__name__`, `__bound__`, `__constraints__`,
and `__default__`. Mostly the support for these attributes exists
because it is easy to implement and allows testing that we are
internally representing the typevar correctly.

This PR doesn't yet have support for interpreting a typevar as a type
annotation, which is of course the primary use of a typevar. But the
information we store in the typevar's type in this PR gives us
everything we need to handle it correctly in a future PR when the
typevar appears in an annotation.

## Test Plan

Added mdtest.

2024-11-08 21:23:05 +00:00

mdtest

[red-knot] infer types for PEP695 typevars (#14182 )

2024-11-08 21:23:05 +00:00

README.md

[red-knot] document test framework (#13695 )

2024-10-10 12:02:01 -07:00

README.md

Markdown files within the mdtest/ subdirectory are tests of type inference and type checking; executed by the tests/mdtest.rs integration test.

See crates/red_knot_test/README.md for documentation of this test format.