{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"ty::Adt(def,"}]}
                ty::Adt(def, _) if tcx.is_lang_item(def.did(), LangItem::String) => expected,
            pat_ty = match expected.kind() {
                ty::Str => Ty::new_static_str(tcx),