{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"ty::Adt(adt,"}]}
            ty::Adt(adt, args) if self.tcx().is_lang_item(adt.did(), LangItem::MaybeUninit) => {
            _ if ty.references_error() => return None,
                let fields = &adt.non_enum_variant().fields;