rename to *_target

Author: lengyijun

clippy_lints/src/borrow_deref_ref.rs

@@ -54,11 +54,11 @@ impl LateLintPass<'_> for BorrowDerefRef {
     fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx rustc_hir::Expr<'_>) {
         if_chain! {
             if !e.span.from_expansion();
-            if let ExprKind::AddrOf(_, Mutability::Not, addrof_expr) = e.kind;
-            if let ExprKind::Unary(UnOp::Deref, deref_expr) = addrof_expr.kind;
-            if !deref_expr.span.from_expansion();
-            if !matches!(deref_expr.kind, ExprKind::Unary(UnOp::Deref, ..) );
-            let ref_ty = cx.typeck_results().expr_ty(deref_expr);
+            if let ExprKind::AddrOf(_, Mutability::Not, addrof_target) = e.kind;
+            if let ExprKind::Unary(UnOp::Deref, deref_target) = addrof_target.kind;
+            if !deref_target.span.from_expansion();
+            if !matches!(deref_target.kind, ExprKind::Unary(UnOp::Deref, ..) );
+            let ref_ty = cx.typeck_results().expr_ty(deref_target);
             if let ty::Ref(_, inner_ty, Mutability::Not) = ref_ty.kind();
             then{
 
@@ -68,7 +68,7 @@ impl LateLintPass<'_> for BorrowDerefRef {
                     if span.from_expansion() {
                         return;
                     }
-                    if matches!(deref_expr.kind, ExprKind::Path(..) | ExprKind::Field(..)) {
+                    if matches!(deref_target.kind, ExprKind::Path(..) | ExprKind::Field(..)) {
                         if let Some(rustc_hir::Node::Expr(parent_expr)) = map.find(parent_hir_id) {
                             if matches!(parent_expr.kind, ExprKind::AddrOf(_, Mutability::Mut, _)) {
                                 return;
@@ -90,7 +90,7 @@ impl LateLintPass<'_> for BorrowDerefRef {
                         diag.help(
                             &format!(
                                 "consider using `{}` if you would like to reborrow",
-                                &snippet_opt(cx, deref_expr.span).unwrap(),
+                                &snippet_opt(cx, deref_target.span).unwrap(),
                              )
                         );
 
@@ -105,7 +105,7 @@ impl LateLintPass<'_> for BorrowDerefRef {
                         diag.help(
                             &format!(
                                 "consider using `&**{}` if you would like to deref",
-                                &snippet_opt(cx, deref_expr.span).unwrap(),
+                                &snippet_opt(cx, deref_target.span).unwrap(),
                              )
                         );