:D dsl drone

drone.rb

def drone
  puts 'start controlling drone'
  yield
end
def fly
  puts 'flying'
  yield if block_given?
end
def move direction
  puts "moving #{direction.to_s}"
  yield if block_given?
end
def atack
  puts "atacking"
end

drone do
  fly do
    move :forward do
      move(:right) { atack }
      move(:left) { atack }
    end
  end
end

drone { fly; move :forward; atack }