Auto merge of #68192 - GuillaumeGomez:remove-inlined-types, r=kinnison

[rust.git] / src / librustc_lint / nonstandard_style.rs

diff --git a/src/librustc_lint/nonstandard_style.rs b/src/librustc_lint/nonstandard_style.rs
index a2b7884241ff7b9bbc4600aa68b64a47043b3be1..394da4a5bb0c151942a897913b39d92468a8c77d 100644 (file)
--- a/src/librustc_lint/nonstandard_style.rs
+++ b/src/librustc_lint/nonstandard_style.rs
@@ -350,7 +350,20 @@ fn check_trait_item(&mut self, cx: &LateContext<'_, '_>, item: &hir::TraitItem<'
     }
 
     fn check_pat(&mut self, cx: &LateContext<'_, '_>, p: &hir::Pat<'_>) {
-        if let &PatKind::Binding(_, _, ident, _) = &p.kind {
+        if let &PatKind::Binding(_, hid, ident, _) = &p.kind {
+            if let hir::Node::Pat(parent_pat) = cx.tcx.hir().get(cx.tcx.hir().get_parent_node(hid))
+            {
+                if let PatKind::Struct(_, field_pats, _) = &parent_pat.kind {
+                    for field in field_pats.iter() {
+                        if field.ident != ident {
+                            // Only check if a new name has been introduced, to avoid warning
+                            // on both the struct definition and this pattern.
+                            self.check_snake_case(cx, "variable", &ident);
+                        }
+                    }
+                    return;
+                }
+            }
             self.check_snake_case(cx, "variable", &ident);
         }
     }