I think the point is that Array(h) destroys the Hash, whereas [h].flatten will leave it intact, adding another unexpected gotcha to Array(). Array's terrible f

I think the point is that Array(h) destroys the Hash, whereas [h].flatten will leave it intact, adding another unexpected gotcha to Array(). Array's terrible friend Integer() implicitly crashed my app in production before, so found that interesting to know; not necessarily related to your talk though. :)