class Docopt::Required

# File lib/docopt.rb, line 298
def match(left, collected=nil)
  collected ||= []
  l = left
  c = collected

  for p in self.children
    matched, l, c = p.match(l, c)
    if not matched
      return [false, left, collected]
    end
  end
  return [true, l, c]
end