to_ary (HighLine::Menu)

    # File lib/highline/menu.rb, line 331
        def to_ary(  )
          case @index
          when :number
            @items.map { |c| "#{@items.index(c) + 1}#{@index_suffix}#{c.first}" }
          when :letter
            l_index = "`"
            @items.map { |c| "#{l_index.succ!}#{@index_suffix}#{c.first}" }
          when :none
            @items.map { |c| "#{c.first}" }
          else
            @items.map { |c| "#{index}#{@index_suffix}#{c.first}" }
          end
        end