Rewrite empty attribute lint

Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

Author: JonathanBrouwer

clippy_lints/src/arbitrary_source_item_ordering.rs

@@ -266,7 +266,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
             .tcx
             .hir_attrs(item.hir_id())
             .iter()
-            .any(|attr| matches!(attr, Attribute::Parsed(AttributeKind::Repr(..))))
+            .any(|attr| matches!(attr, Attribute::Parsed(AttributeKind::Repr{ .. })))
         {
             // Do not lint items with a `#[repr]` attribute as their layout may be imposed by an external API.
             return;

clippy_lints/src/attrs/repr_attributes.rs

@@ -9,7 +9,7 @@ use clippy_utils::msrvs::{self, Msrv};
 use super::REPR_PACKED_WITHOUT_ABI;
 
 pub(super) fn check(cx: &LateContext<'_>, item_span: Span, attrs: &[Attribute], msrv: Msrv) {
-    if let Some(reprs) = find_attr!(attrs, AttributeKind::Repr(r) => r) {
+    if let Some(reprs) = find_attr!(attrs, AttributeKind::Repr { reprs, .. } => reprs) {
         let packed_span = reprs
             .iter()
             .find(|(r, _)| matches!(r, ReprAttr::ReprPacked(..)))

clippy_lints/src/default_union_representation.rs

@@ -99,5 +99,5 @@ fn is_zst<'tcx>(cx: &LateContext<'tcx>, field: &FieldDef, args: ty::GenericArgsR
 fn has_c_repr_attr(cx: &LateContext<'_>, hir_id: HirId) -> bool {
     let attrs = cx.tcx.hir_attrs(hir_id);
 
-    find_attr!(attrs, AttributeKind::Repr(r) if r.iter().any(|(x, _)| *x == ReprAttr::ReprC))
+    find_attr!(attrs, AttributeKind::Repr { reprs, .. } if reprs.iter().any(|(x, _)| *x == ReprAttr::ReprC))
 }

clippy_utils/src/lib.rs

@@ -1761,7 +1761,7 @@ pub fn has_attr(attrs: &[hir::Attribute], symbol: Symbol) -> bool {
 }
 
 pub fn has_repr_attr(cx: &LateContext<'_>, hir_id: HirId) -> bool {
-    find_attr!(cx.tcx.hir_attrs(hir_id), AttributeKind::Repr(..))
+    find_attr!(cx.tcx.hir_attrs(hir_id), AttributeKind::Repr { .. })
 }
 
 pub fn any_parent_has_attr(tcx: TyCtxt<'_>, node: HirId, symbol: Symbol) -> bool {