- match tcx.hir().expect_impl_item(impl_m.def_id.expect_local()).kind {
- ImplItemKind::Fn(ref sig, _) if !sig.header.asyncness.is_async() => {
- let msg = "change the output type to match the trait";
- let ap = Applicability::MachineApplicable;
- match sig.decl.output {
- hir::FnRetTy::DefaultReturn(sp) => {
- let sugg = format!("-> {} ", trait_sig.output());
- diag.span_suggestion_verbose(sp, msg, sugg, ap);
- }
- hir::FnRetTy::Return(hir_ty) => {
- let sugg = trait_sig.output();
- diag.span_suggestion(hir_ty.span, msg, sugg, ap);
- }
- };
- }
- _ => {}
+ if let ImplItemKind::Fn(sig, _) = &tcx.hir().expect_impl_item(impl_m.def_id.expect_local()).kind
+ && !sig.header.asyncness.is_async()
+ {
+ let msg = "change the output type to match the trait";
+ let ap = Applicability::MachineApplicable;
+ match sig.decl.output {
+ hir::FnRetTy::DefaultReturn(sp) => {
+ let sugg = format!("-> {} ", trait_sig.output());
+ diag.span_suggestion_verbose(sp, msg, sugg, ap);
+ }
+ hir::FnRetTy::Return(hir_ty) => {
+ let sugg = trait_sig.output();
+ diag.span_suggestion(hir_ty.span, msg, sugg, ap);
+ }
+ };