compiler: use copied instead of manual map

2023-11-03 17:18:19 +01:00 · 2023-11-03 17:18:19 +01:00 · 27364309a5
commit 27364309a5
parent e6779d98ee
6 changed files with 8 additions and 9 deletions
--- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs
@ -860,7 +860,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
                        self.suggest_boxing_for_return_impl_trait(
                            err,
                            ret_sp,
-                            prior_arms.iter().chain(std::iter::once(&arm_span)).map(|s| *s),
+                            prior_arms.iter().chain(std::iter::once(&arm_span)).copied(),
                        );
                    }
                }