class Array

# File lib/subiam/ext/array_ext.rb, line 2
def keys_to_s_recursive
  new_one = []
  self.each_with_index do |elem, index|
    if elem.respond_to? :keys_to_s_recursive
      new_one[index] = elem.keys_to_s_recursive
      next
    end
    new_one[index] = elem
  end
  new_one
end