#* http://rosettacode.org/wiki/Remove_duplicate_elements
  Remove duplicate elements from a collection
*#

some_array = [1 1 2 1 'redundant' [1 2 3] [1 2 3] 'redundant']

p "Some array: #{some_array}"

unique_array = some_array.unique

p "Without duplicates: #{unique_array}"