Alex Waygood ddd2fc7a90 [ty] Use "typeguard constraints" for two kinds of tuple narrowing (#22348) ...

## Summary

Since we've already filtered the union in these locations, it seems like
needless overhead to then intersect the previous union with the filtered
union. We know what that intersection will simplify to: it will simplify
to the filtered union. So rather than using a regular intersection-based
constraint, we can use a "typeguard constraint", which will just
directly replace the previous type with the new type instead of creating
an intersection.

## Test Plan

- Existing tests all pass
- The primer report should be clean

2026-01-13 23:37:09 +00:00

..

resources

[ty] Add diagnostic to catch generic enums (#22482)

2026-01-13 16:55:46 -05:00

src

[ty] Use "typeguard constraints" for two kinds of tuple narrowing (#22348)

2026-01-13 23:37:09 +00:00

tests

[ty] Add respect-type-ignore-comments configuration option (#22137)

2025-12-23 08:36:51 +01:00

Cargo.toml

Run cargo sort (#22310)

2026-01-02 19:58:15 +00:00

mdtest.py

[ty] Lockfiles for mdtests with external dependencies (#22077)

2025-12-19 14:29:52 +01:00

mdtest.py.lock

Rename Red Knot (#17820)

2025-05-03 19:49:15 +02:00