class Kleene::MatchRef

def ==(other)
  @string == other.string &&
  @range == other.range
end

def eql?(other)
  self == other
end

def initialize(original_string, match_range)
  @string = original_string
  @range = match_range
end

def text
  @string[@range]
end

def to_s
  text
end