bjoernager/rust
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Rollup merge of #82163 - matthiaskrgr:slice, r=jyn514

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avoid full-slicing slices

If we already have a slice, there is no need to get another full-range slice from that, just use the original.
clippy::redundant_slicing
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Guillaume Gomez 2021-02-16 19:21:20 +01:00 • committed by GitHub
commit 46b93b2e44
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19 changed files with 33 additions and 40 deletions
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compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
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@ -671,7 +671,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
if !impl_candidates.is_empty() && e.span.contains(span) {
if let Some(expr) = exprs.first() {
if let ExprKind::Path(hir::QPath::Resolved(_, path)) = expr.kind {
if let [path_segment] = &path.segments[..] {
if let [path_segment] = path.segments {
let candidate_len = impl_candidates.len();
let suggestions = impl_candidates.iter().map(|candidate| {
format!(