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authorMatthias Krüger <matthias.krueger@famsik.de>2024-01-19 19:27:03 +0100
committerGitHub <noreply@github.com>2024-01-19 19:27:03 +0100
commitc851150236c7c717c181160fdb6dc5c9d263e6fe (patch)
tree1913f73db6d24a482da827457a18d2496b73f109 /compiler/rustc_pattern_analysis/src
parent42e79734e9009b6ec006112bd73d616f227c02e2 (diff)
parentf9faf161817eef2b885bd47908ceaeef675ea72f (diff)
downloadrust-c851150236c7c717c181160fdb6dc5c9d263e6fe.tar.gz
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Rollup merge of #120126 - sjwang05:issue-102269, r=compiler-errors
Suggest `.swap()` when encountering conflicting borrows from `mem::swap` on a slice

This PR modifies the existing suggestion by matching on `[ProjectionElem::Deref, ProjectionElem::Index(_)]` instead of just `[ProjectionElem::Index(_)]`, which caused us to miss many cases. Additionally, it adds a more specific, machine-applicable suggestion in the case we determine `mem::swap` was used to swap elements in a slice.

Closes #102269
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