Remove hir::Item::attrs.

[rust.git] / clippy_lints / src / needless_borrow.rs

diff --git a/clippy_lints/src/needless_borrow.rs b/clippy_lints/src/needless_borrow.rs
index f1c06692e30d9efcff0840b66e40283a13dbc9ae..1aadcfd87b60f73a1dc44626adc30300cae35d93 100644 (file)
--- a/clippy_lints/src/needless_borrow.rs
+++ b/clippy_lints/src/needless_borrow.rs
@@ -5,11 +5,12 @@
 use crate::utils::{is_automatically_derived, snippet_opt, span_lint_and_then};
 use if_chain::if_chain;
 use rustc_errors::Applicability;
-use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, HirId, Item, Mutability, Pat, PatKind};
+use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, Item, Mutability, Pat, PatKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty;
 use rustc_middle::ty::adjustment::{Adjust, Adjustment};
 use rustc_session::{declare_tool_lint, impl_lint_pass};
+use rustc_span::def_id::LocalDefId;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for address of operations (`&`) that are going to
@@ -35,7 +36,7 @@
 
 #[derive(Default)]
 pub struct NeedlessBorrow {
-    derived_item: Option<HirId>,
+    derived_item: Option<LocalDefId>,
 }
 
 impl_lint_pass!(NeedlessBorrow => [NEEDLESS_BORROW]);
@@ -114,16 +115,17 @@ fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) {
         }
     }
 
-    fn check_item(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
-        if is_automatically_derived(item.attrs) {
+    fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
+        let attrs = cx.tcx.hir().attrs(item.hir_id());
+        if is_automatically_derived(attrs) {
             debug_assert!(self.derived_item.is_none());
-            self.derived_item = Some(item.hir_id);
+            self.derived_item = Some(item.def_id);
         }
     }
 
     fn check_item_post(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
         if let Some(id) = self.derived_item {
-            if item.hir_id == id {
+            if item.def_id == id {
                 self.derived_item = None;
             }
         }