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Douglas Creager 47e3aa40b3
[ty] Specialize bound methods and nominal instances (#17865) 
Fixes
https://github.com/astral-sh/ruff/pull/17832#issuecomment-2851224968. We
had a comment that we did not need to apply specializations to generic
aliases, or to the bound `self` of a bound method, because they were
already specialized. But they might be specialized with a type variable,
which _does_ need to be specialized, in the case of a "multi-step"
specialization, such as:

```py
class LinkedList[T]: ...

class C[U]:
    def method(self) -> LinkedList[U]:
        return LinkedList[U]()
```

---------

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
2025-05-05 17:17:36 -04:00
..
mdtest [ty] Specialize bound methods and nominal instances (#17865) 2025-05-05 17:17:36 -04:00
primer [ty] ecosystem: activate running on 'sympy' (#17870) 2025-05-05 21:50:13 +02:00
README.md Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00

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/ty_test/README.md for documentation of this test format.