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Lint function arrow intended context function #23847

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Lint function arrow intended context function #23847

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som-snytt
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Fixes #21187

If a function literal x => body has an expected type X ?=> ? then maybe they intended to write x ?=> body.

As shown in the test, maybe types will misalign in other ways to emit warnings.

@som-snytt som-snytt marked this pull request as ready for review September 2, 2025 04:29
@Gedochao Gedochao requested review from tgodzik and noti0na1 September 2, 2025 05:32
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Successfully merging this pull request may close these issues.

Exceptions inexplicably swallowed when inlined context functions interact
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