module Regexp::Syntax
  module Token
    module Anchor
      Basic       = [:bol, :eol]
      Extended    = Basic + [:word_boundary, :nonword_boundary]
      String      = [:bos, :eos, :eos_ob_eol]
      MatchStart  = [:match_start]

      All = Extended + String + MatchStart
      Type = :anchor
    end

    Map[Anchor::Type] = Anchor::All
  end
end