class Regexp::Expression::Base

def initialize(token)

def initialize(token)
  @type               = token.type
  @token              = token.token
  @text               = token.text
  @ts                 = token.ts
  @level              = token.level
  @set_level          = token.set_level
  @conditional_level  = token.conditional_level
  @options            = nil
end