ruff/crates/ty_python_semantic
Dhruv Manilawala bb9be263c7
[ty] Retry parameter matching for argument type expansion (#20153)
## Summary

This PR addresses an issue for a variadic argument when involved in
argument type expansion of overload call evaluation.

The issue is that the expansion of the variadic argument could result in
argument list of different arity. For example, in `*args: tuple[int] |
tuple[int, str]`, the expansion would lead to the variadic argument
being unpacked into 1 and 2 element respectively. This means that the
parameter matching that was performed initially isn't sufficient and
each expanded argument list would need to redo the parameter matching
again.

This is currently done by redoing the parameter matching directly,
maintaining the state of argument forms (and the conflicting forms), and
updating the `Bindings` values if it changes.

Closes: astral-sh/ty#735

## Test Plan

Update existing mdtest.
2025-09-12 08:40:07 +00:00
..
resources [ty] Retry parameter matching for argument type expansion (#20153) 2025-09-12 08:40:07 +00:00
src [ty] Retry parameter matching for argument type expansion (#20153) 2025-09-12 08:40:07 +00:00
tests [ty] Track open files in the server (#19264) 2025-07-18 19:33:35 +05:30
build.rs
Cargo.toml [ty] Avoid overcounting shared memory usage (#19773) 2025-08-06 15:32:02 -04:00
mdtest.py
mdtest.py.lock