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Use in to narrow TypedDict types #835

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JelleZijlstra opened this issue Nov 25, 2024 · 0 comments
Open

Use in to narrow TypedDict types #835

JelleZijlstra opened this issue Nov 25, 2024 · 0 comments

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@JelleZijlstra
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If there is a union of two TypedDict types, allow using in to narrow between the two.

This is technically unsound before PEP 728; we could either allow this minor unsoundness or restrict the narrowing to closed TypedDicts.
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@JelleZijlstra