{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"(&ty::Coroutine(def_id_a,"}]}
        (&ty::Coroutine(def_id_a, args_a), &ty::Coroutine(def_id_b, args_b))
        }
            if def_id_a == def_id_b =>