Suggest the right help message for as_ref

2022-08-20 09:43:37 +08:00 · 2022-08-20 09:43:37 +08:00 · 3de74f7e2b
commit 3de74f7e2b
parent 1603a70f82
3 changed files with 57 additions and 1 deletions
--- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs
@ -2078,7 +2078,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                            diag.span_suggestion(
                                span,
                                *msg,
-                                format!("{}.as_ref()", snippet),
+                                // HACK: fix issue# 100605, suggesting convert from &Option<T> to Option<&T>, remove the extra `&`
+                                format!("{}.as_ref()", snippet.trim_start_matches('&')),
                                Applicability::MachineApplicable,
                            );
                        }