{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"Ty::from_rigid_kind(RigidTy::Coroutine(def,"}]}
        Ty::from_rigid_kind(RigidTy::Coroutine(def, args))
    pub fn new_coroutine(def: CoroutineDef, args: GenericArgs) -> Ty {
    }