[ty] Introduce UnionType::try_from_elements and UnionType::try_map by AlexWaygood · Pull Request #18911 · astral-sh/ruff (original) (raw)

AlexWaygood changed the titleIntroduce UnionType::try_from_elements and UnionType::try_map [ty] Introduce UnionType::try_from_elements and UnionType::try_map

Jun 24, 2025

dcreager added a commit that referenced this pull request

Jun 24, 2025

• main: [ty] Fix false positives when subscripting an object inferred as having an Intersection type (#18920) [flake8-use-pathlib] Add autofix for PTH202 (#18763) [ty] Add relative import completion tests [ty] Clarify what "cursor" means [ty] Add a cursor test builder [ty] Enforce sort order of completions (#18917) [formatter] Fix missing blank lines before decorated classes in .pyi files (#18888) Apply fix availability and applicability when adding to DiagnosticGuard and remove NoqaCode::rule (#18834) py-fuzzer: allow relative executable paths (#18915) [ty] Change environment.root to accept multiple paths (#18913) [ty] Rename src.root setting to environment.root (#18760) Use file path for detecting package root (#18914) Consider virtual path for various server actions (#18910) [ty] Introduce UnionType::try_from_elements and UnionType::try_map (#18911) [ty] Support narrowing on isinstance()/issubclass() if the second argument is a dynamic, intersection, union or typevar type (#18900) [ty] Add decorator check for implicit attribute assignments (#18587) [ruff] Trigger RUF037 for empty string and byte strings (#18862) [ty] Avoid duplicate diagnostic in unpacking (#18897) [pyupgrade] Extend version detection to include sys.version_info.major (UP036) (#18633) [ruff] Frozen Dataclass default should be valid (RUF009) (#18735)

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