->
  parse-command-line = command-line ->
    if (command-line._ = 1) -> 
      say 'Usage: Selene.exe ' script-name ' N'
      ' script-name = command-line.first-element.1
      ' first_element = 1

      exit -1
    ;
  ;

  say-N2 = n ->
    n ** 2
  ;

  - parse-command-line command-line

  - say-N2 n
  ' n : integer <- command-line.latest-element.1
  ' latest-element = command-line._
_
  command-line : array : string : string
;