[ty] Resolve type aliases in filter_union method by carljm · Pull Request #22989 · astral-sh/ruff (original) (raw)

This change modifies filter_union to resolve type aliases before checking if the type is a union. This allows filter_union to properly handle cases where a type alias resolves to a union type.

With this change, the explicit resolve_type_alias call in bind.rs (added in #22988) is now redundant and has been removed.

Added additional test cases for union type aliases with:

• TypedDict dict literal inference
• TypedDict dict() call inference
• Set literal inference

https://claude.ai/code/session_01Fsp2dSw6mnTBV1M2Fnf6gt

carljm marked this pull request as ready for review

January 30, 2026 20:32

carljm deleted the claude/explore-typealias-expansion-31ZUP branch

January 30, 2026 22:39

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