class Regexp::Expression::Sequence

TODO: perhaps rename this to Alternative?
A sequence of expressions, used by alternations as one alternative.

def initialize 

def initialize
  super Regexp::Token.new(:expression, :sequence, '')
end

def quantify(token, text, min = nil, max = nil, mode = :greedy) 

def quantify(token, text, min = nil, max = nil, mode = :greedy)
  last.quantify(token, text, min, max, mode)
end

def starts_at 

def starts_at
  @expressions.first.starts_at
end