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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40 changed files with 191 additions and 221 deletions
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10
compiler/rustc_resolve/src/macros.rs
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@ -108,8 +108,8 @@ pub(crate) fn sub_namespace_match(
// `format!("{}", path)`, because that tries to insert
// line-breaks and is slow.
fn fast_print_path(path: &ast::Path) -> Symbol {
if path.segments.len() == 1 {
path.segments[0].ident.name
if let [segment] = path.segments.as_slice() {
segment.ident.name
} else {
let mut path_str = String::with_capacity(64);
for (i, segment) in path.segments.iter().enumerate() {
@ -724,10 +724,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
// Possibly apply the macro helper hack
if deleg_impl.is_none()
&& kind == Some(MacroKind::Bang)
&& path.len() == 1
&& path[0].ident.span.ctxt().outer_expn_data().local_inner_macros
&& let [segment] = path.as_slice()
&& segment.ident.span.ctxt().outer_expn_data().local_inner_macros
{
let root = Ident::new(kw::DollarCrate, path[0].ident.span);
let root = Ident::new(kw::DollarCrate, segment.ident.span);
path.insert(0, Segment::from_ident(root));
}