require 'main'

main(){
  argument('foo'){
    arity -1
  }

  mode 'a' do
    argument('bar'){
      arity -1
    }
    run { 
      foobar
      puts 'a' 
    }
  end

  run { 
      foobar
    puts 'no mode' 
  }

  def foobar
    puts :foobar
  end
}