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ruff/crates/red_knot_python_semantic
Carl Meyer e2a38e4c00 [red-knot] optimize is_subtype_of for literals (#17394)
## Summary

Allows us to establish that two literals do not have a subtype
relationship with each other, without having to fallback to a typeshed
Instance type, which is comparatively slow.

Improves the performance of the many-string-literals union benchmark by
5x.

## Test Plan

`cargo test -p red_knot_python_semantic` and `cargo bench --bench
red_knot`.
2025-04-14 09:42:44 -07:00
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2024-10-20 22:35:35 +01:00