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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2020-04-07 13:53:47 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-04-07 13:53:47 +0100 |
| commit | 97b963b44b9da1fca4229da4c8744fa88c25780b (patch) | |
| tree | f25e0db350072cf8d084ce81adcaeeeaac3f4c42 /xtask/src | |
| parent | b7e5d94bda362ffc21174a79aa0be113c3288e1e (diff) | |
| parent | 9fc1f51b7ade2cda7d410450ab1347311eb074af (diff) | |
Merge #3706
3706: missing match arms diagnostic r=flodiebold a=JoshMcguigan
Following up on https://github.com/rust-analyzer/rust-analyzer/pull/3689#issuecomment-602718222, this PR creates a missing match arms diagnostic.
At the moment this is a very early draft, but I wanted to open it just to get some initial feedback.
Initial questions:
* Have I roughly created the correct boilerplate?
* Inside the new `validate_match` function:
* Am I correct in thinking I want to do validation by comparing the match arms against `match_expr`? And when analyzing `match_expr` I should be looking at it as a `hir_def::expr::Expr`?
* I mostly copied the chained if-let statements from the struct validation. Shouldn't there be a non-failable way to get an AstPtr from the hir data structures?
Thanks for all the guidance.
Co-authored-by: Josh Mcguigan <[email protected]>
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