RosettaCodeData/Task/Nested-templated-data/Zkl/nested-templated-data-2.zkl

foreach p in (T(
     T(T(T(1, 2),
         T(3, 4, 1),
         5),),
   T(T(T(1, 2),
       T(10,4, 1),
         5),))){
   println("      Template: %s\nData structure: %s".fmt(p,sub(p)));
}