Optimize Unpack for failures #15967
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Optimize Unpack for failures #15967
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
JukkaL
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Oct 10, 2023
This is a small but possibly important PR. Wherever possible we should represent user error and/or failed type inference as `*tuple[Any, ...]`/`*tuple[<nothing>, ...]`, rather than `Unpack[Any]`/`Unpack[<nothing>]` or plain `Any`/`<nothing>`. This way we will not need any special casing for failure conditions in various places without risking a crash instead of a graceful failure (error message).
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This is a small but possibly important PR. Wherever possible we should represent user error and/or failed type inference as
*tuple[Any, ...]/*tuple[<nothing>, ...], rather thanUnpack[Any]/Unpack[<nothing>]or plainAny/<nothing>. This way we will not need any special casing for failure conditions in various places without risking a crash instead of a graceful failure (error message).