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Remove redundant option that was just encoding that a slice was empty #128226

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merged 1 commit into from
Jul 27, 2024
Merged

Remove redundant option that was just encoding that a slice was empty #128226

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6 changes: 3 additions & 3 deletions compiler/rustc_ast_lowering/src/item.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
id: NodeId,
hir_id: hir::HirId,
ident: &mut Ident,
attrs: Option<&'hir [Attribute]>,
attrs: &'hir [Attribute],
vis_span: Span,
i: &ItemKind,
) -> hir::ItemKind<'hir> {
Expand Down Expand Up @@ -488,7 +488,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
id: NodeId,
vis_span: Span,
ident: &mut Ident,
attrs: Option<&'hir [Attribute]>,
attrs: &'hir [Attribute],
) -> hir::ItemKind<'hir> {
let path = &tree.prefix;
let segments = prefix.segments.iter().chain(path.segments.iter()).cloned().collect();
Expand Down Expand Up @@ -566,7 +566,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
// `ItemLocalId` and the new owner. (See `lower_node_id`)
let kind =
this.lower_use_tree(use_tree, &prefix, id, vis_span, &mut ident, attrs);
if let Some(attrs) = attrs {
if !attrs.is_empty() {
this.attrs.insert(hir::ItemLocalId::ZERO, attrs);
}

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6 changes: 3 additions & 3 deletions compiler/rustc_ast_lowering/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -913,15 +913,15 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
ret
}

fn lower_attrs(&mut self, id: HirId, attrs: &[Attribute]) -> Option<&'hir [Attribute]> {
fn lower_attrs(&mut self, id: HirId, attrs: &[Attribute]) -> &'hir [Attribute] {
if attrs.is_empty() {
None
&[]
} else {
debug_assert_eq!(id.owner, self.current_hir_id_owner);
let ret = self.arena.alloc_from_iter(attrs.iter().map(|a| self.lower_attr(a)));
debug_assert!(!ret.is_empty());
self.attrs.insert(id.local_id, ret);
Some(ret)
ret
}
}

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