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ruff/crates/ty_python_semantic
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Abhijeet Prasad Bodas 68b0386007
[ty] Implement DataClassInstance protocol for dataclasses. (#18018) 
Fixes: https://github.com/astral-sh/ty/issues/92

## Summary

We currently get a `invalid-argument-type` error when using
`dataclass.fields` on a dataclass, because we do not synthesize the
`__dataclass_fields__` member.

This PR fixes this diagnostic.

Note that we do not yet model the `Field` type correctly. After that is
done, we can assign a more precise `tuple[Field, ...]` type to this new
member.

## Test Plan
New mdtest.

---------

Co-authored-by: David Peter <mail@david-peter.de>
2025-05-13 10:31:26 +02:00
..
resources [ty] Implement DataClassInstance protocol for dataclasses. (#18018) 2025-05-13 10:31:26 +02:00
src [ty] Implement DataClassInstance protocol for dataclasses. (#18018) 2025-05-13 10:31:26 +02:00
tests Use #[expect(lint)] over #[allow(lint)] where possible (#17822) 2025-05-03 21:20:31 +02:00
build.rs Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00
Cargo.toml Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00
mdtest.py Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00
mdtest.py.lock Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00