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Title: Fix UnsetType truthiness narrowing in type stubs by overlorde · Pull Request #975 · msgspec/msgspec · GitHub

Open Graph Title: Fix UnsetType truthiness narrowing in type stubs by overlorde · Pull Request #975 · msgspec/msgspec

X Title: Fix UnsetType truthiness narrowing in type stubs by overlorde · Pull Request #975 · msgspec/msgspec

Description: A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML - Fix UnsetType truthiness narrowing in type stubs by overlorde · Pull Request #975 · msgspec/msgspec

Open Graph Description: Summary Add __bool__() -> Literal[False] to UnsetType stub so type checkers can narrow T | UnsetType via truthiness (if x:) Add typing test for truthiness-based narrowing Closes #916

X Description: Summary Add __bool__() -> Literal[False] to UnsetType stub so type checkers can narrow T | UnsetType via truthiness (if x:) Add typing test for truthiness-based narrowing Closes #916

Opengraph URL: https://github.com/msgspec/msgspec/pull/975

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og:image:altSummary Add __bool__() -> Literal[False] to UnsetType stub so type checkers can narrow T | UnsetType via truthiness (if x:) Add typing test for truthiness-based narrowing Closes #916
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Fix UnsetType truthiness narrowing in type stubshttps://github.com/msgspec/msgspec/pull/975/commits/5da04f95280508de9edcff54130f2fccdefb1c89
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Add bool dunder method for type def of UnsetType #816 https://github.com/msgspec/msgspec/pull/816
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UnsetType union types lowering is incomplete https://github.com/msgspec/msgspec/issues/916
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