diff options
| -rw-r--r-- | compiler/rustc_lint/src/for_loops_over_fallibles.rs | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs index a6876d8aae7..d766393db29 100644 --- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs +++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs @@ -52,7 +52,15 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { let ty = cx.typeck_results().expr_ty(arg); - let &ty::Adt(adt, args) = ty.kind() else { return }; + // let &ty::Adt(adt, args) = ty.kind() else { return }; + let (adt, args, _) = match ty.kind() { + &ty::Adt(adt, args) => (adt, args, None), + &ty::Ref(_, ty, mutability) => match ty.kind() { + &ty::Adt(adt, args) => (adt, args, Some(mutability)), + _ => return, + }, + _ => return, + }; let (article, ty, var) = match adt.did() { did if cx.tcx.is_diagnostic_item(sym::Option, did) => ("an", "Option", "Some"), |