class Interface
  class << self
    def cli(*opts,&block)
      @@parser ||= OptionParser.new
      @@parser.on_tail *opts, &block
    end

    def parse_args(args=ARGV)
      @options = {}

      #access options here works, obvious ;)
      @@parser.on("-d",String,"Some default flag") do |value|
        @options[:default_flag]=value
      end

      @@parser.parse!(args)
    end
  end

end


class ThingThatUsesInterface
  #this always gets nil for @options, if i do w/o the @ it bombs
  Interface.cli("-m",String,"My Cool flag") do |value|
    @option[:my_cool_flag] = value
  end
end