{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"ty::Tuple(tys)"}]}
        ty::Tuple(tys) => Ok(ty::Binder::dummy(tys.to_vec())),
        // impl Copy/Clone for (T1, T2, .., Tn) where T1: Copy/Clone, T2: Copy/Clone, .. Tn: Copy/Clone