compiler: use copied instead of manual map

2023-11-03 17:18:19 +01:00
parent e6779d98ee
commit 27364309a5
6 changed files with 8 additions and 9 deletions
--- a/compiler/rustc_ast_lowering/src/expr.rs
+++ b/compiler/rustc_ast_lowering/src/expr.rs
@@ -41,8 +41,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
                    }
                    // Merge attributes into the inner expression.
                    if !e.attrs.is_empty() {
-                        let old_attrs =
-                            self.attrs.get(&ex.hir_id.local_id).map(|la| *la).unwrap_or(&[]);
+                        let old_attrs = self.attrs.get(&ex.hir_id.local_id).copied().unwrap_or(&[]);
                        self.attrs.insert(
                            ex.hir_id.local_id,
                            &*self.arena.alloc_from_iter(