# File test/src/simple_parser_test.rb, line 75
  def testSequence
    assertParser('abc', ?c, sequence(char(?a),char('b'),char('c')))
    a = ?a
    relative = proc {|c|c-a}
    parser = sequence(
      char('c').map(&relative), 
      char('b').map(&relative), 
      char('a').map(&relative)
    ){|x,y,z| x+y+z}
    assertParser('cba', 3, parser)
  end