Task

Write a function to flatten the nesting in an arbitrary list of values.

Your program should work on the equivalent of this list:

  [[1], 2, [[3, 4], 5], [[[]]], [[[6]]], 7, 8, []]

Where the correct result would be the list:

   [1, 2, 3, 4, 5, 6, 7, 8]

Related task

   Tree traversal


 
"seqlib" libload.
 
[[1] 2 [[3 4] 5] [[[]]] [[[6]]] 7 8 []] treeflatten.
 
(* output: [1 2 3 4 5 6 7 8] *)
 