let
  type rectype1 = {name: string}
  type arrtype1 = array of rectype1
  type rectype2 = {testarr: arrtype1}
  type rectype3 = {test: rectype2}
  type arrtype2 = array of rectype3

  var arr :=
    arrtype2 [10]
    of
    rectype3 {
      test = rectype2 {
               testarr = arrtype1 [5]
                         of
                         rectype1 {
                           name = "test"
                         }
             }
    }

in
  arr[0].test.testarr[1].name := "new";
  arr[0].test.testarr[1].name
end