Thought provoking idea of the day: A colleague suggested that Hash#keys should return a Set, instead of an Array in Ruby 
-
You're suggesting that Hash#keys returns an object that only responds to each_key?
No I'm suggesting not having `.keys` at all. You don't likely need an array, you likely need an `Enumerable`.
-
-
Ah I see now. Is iteration the most common use case for `keys`?
-
And if you do you can always call `.to_a` on it. Makes the linear time op explicit
- 1 more reply
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.