class TEST create make feature make local a: ARRAY [ARRAY [DOUBLE]] b: ARRAY [ARRAY [ARRAY [DOUBLE]]] t: TUPLE [ARRAY [INTEGER]] t2: TUPLE [INTEGER, ARRAY [ARRAY [DOUBLE]]] do a := << << 1, 2>> >> b := << << << 1, 2 >> >> >> t := [<< >>] t2 := [1, << << 1, 2 >> >>] end end