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Title: Fix type narrowing in lambda expressions by ilevkivskyi · Pull Request #16407 · python/mypy · GitHub

Open Graph Title: Fix type narrowing in lambda expressions by ilevkivskyi · Pull Request #16407 · python/mypy

X Title: Fix type narrowing in lambda expressions by ilevkivskyi · Pull Request #16407 · python/mypy

Description: Optional static typing for Python. Contribute to python/mypy development by creating an account on GitHub.

Open Graph Description: Fixes #4297 Fix is straightforward: without properly pushing lambda expression on the stack, the previous fix @JukkaL added for nested functions doesn't work for lambdas (it thinks that we are ...

X Description: Fixes #4297 Fix is straightforward: without properly pushing lambda expression on the stack, the previous fix @JukkaL added for nested functions doesn't work for lambdas (it thinks that we ...

Opengraph URL: https://github.com/python/mypy/pull/16407

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Nov 4, 2023https://github.com/python/mypy/pull/16407#issue-1977522810
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Fix type narrowing in lambda expressionshttps://github.com/python/mypy/pull/16407/commits/86b35eb5e931540c4fe7dc026235236da1c02164
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November 4, 2023 23:42https://github.com/python/mypy/pull/16407#event-10863846436
False positive and negative with lambda narrowing #16056 https://github.com/python/mypy/issues/16056
Incorrect redundant cast warning in lambda #9568 https://github.com/python/mypy/issues/9568
Release 1.7 planning #16341 https://github.com/python/mypy/issues/16341
Optional NumPy array not narrowed in max key #16416 https://github.com/python/mypy/issues/16416
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Nov 10, 2023 https://github.com/python/mypy/pull/16407#ref-commit-8813968
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Fix type narrowing in lambda expressions (https://github.com/python/mypy/commit/8813968abb657113df5edfa207db46b0649c9dce
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Jan 4, 2024 https://github.com/python/mypy/pull/16407#ref-issue-1848561769
MyPy forgets callable type guard in lambda in return statement of function with hinted return type #15862 https://github.com/python/mypy/issues/15862
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