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Use as_deref in compiler (but only where it makes sense)

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This commit is contained in:
Maybe Waffle 2022-11-16 21:58:58 +00:00
parent e702534763
commit 94470f4efd
27 changed files with 45 additions and 63 deletions
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2
compiler/rustc_hir_analysis/src/collect.rs
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@ -2179,7 +2179,7 @@ fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option<u16> {
.emit();
}
let meta_item_list = attr.meta_item_list();
let meta_item_list: Option<&[ast::NestedMetaItem]> = meta_item_list.as_ref().map(Vec::as_ref);
let meta_item_list = meta_item_list.as_deref();
let sole_meta_list = match meta_item_list {
Some([item]) => item.literal(),
Some(_) => {