bjoernager/rust
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Use more slice patterns inside the compiler

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This commit is contained in:
León Orell Valerian Liehr 2024-08-07 12:41:49 +02:00
parent 60d146580c
commit c4c518d2d4
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GPG key ID: D17A07215F68E713
40 changed files with 191 additions and 221 deletions
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10
compiler/rustc_lint/src/unused.rs
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@ -801,7 +801,7 @@ trait UnusedDelimLint {
return;
}
let spans = match value.kind {
ast::ExprKind::Block(ref block, None) if block.stmts.len() == 1 => block.stmts[0]
ast::ExprKind::Block(ref block, None) if let [stmt] = block.stmts.as_slice() => stmt
.span
.find_ancestor_inside(value.span)
.map(|span| (value.span.with_hi(span.lo()), value.span.with_lo(span.hi()))),
@ -1537,14 +1537,12 @@ impl UnusedImportBraces {
}
// Trigger the lint only if there is one nested item
if items.len() != 1 {
return;
}
let [(tree, _)] = items.as_slice() else { return };
// Trigger the lint if the nested item is a non-self single item
let node_name = match items[0].0.kind {
let node_name = match tree.kind {
ast::UseTreeKind::Simple(rename) => {
let orig_ident = items[0].0.prefix.segments.last().unwrap().ident;
let orig_ident = tree.prefix.segments.last().unwrap().ident;
if orig_ident.name == kw::SelfLower {
return;
}