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Lint for unused borrows as part of UNUSED_MUST_USE #76894

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Lint for unused borrows as part of UNUSED_MUST_USE #76894

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222fb63
Lint for unused borrows as part of `unused_must_use`
ecstatic-morse Sep 21, 2020
4f8b259
Add test for `unused_borrows` lint
ecstatic-morse Sep 18, 2020
2468c61
Silence unused borrows warning in unit tests
ecstatic-morse Sep 18, 2020
0fdde0c
Silence unused borrows warning in UI tests
ecstatic-morse Sep 21, 2020
3b5105c
Fix derived `HashStable` impls
ecstatic-morse Sep 21, 2020
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Lint for unused borrows as part of unused_must_use
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@ecstatic-morse
ecstatic-morse committed Sep 21, 2020
commit 222fb63113a7593b6db12ee9d14684159f669636
3 changes: 3 additions & 0 deletions compiler/rustc_lint/src/unused.rs
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Expand Up @@ -154,6 +154,9 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
| hir::BinOpKind::Shl
| hir::BinOpKind::Shr => Some("bitwise operation"),
},

hir::ExprKind::AddrOf(..) => Some("borrow"),

hir::ExprKind::Unary(..) => Some("unary operation"),
_ => None,
};
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