2009/12/5 Andrey Zaikin <zed.0xff / gmail.com>:
> irb(main):001:0> a=["a", "hello", "b", "world", "c", "welcome", "d",
> "baby"]
> => ["a", "hello", "b", "world", "c", "welcome", "d", "baby"]
> irb(main):002:0> Hash[*a]

Thanks.
What's the "*" before "a" then?