Perpetually amazed that monads are “too hard for your coworkers”, but side effects that can occur at any time are somehow totally fine.
Remembering an interview I had with a large internet company. Asked to reverse a linked list. Wrote `foldl (flip (:)) ` on the whiteboard.
FP in Scala is like a really slow Haskell that hates your guts.
Easy performance wins with Scalaz: blog.higher-order.com/blog/2015/06/1…