How can I access the last result in Scala REPL?

Question

In python REPL I can do things like:

>>> [1,2,3,4]
[1, 2, 3, 4]
>>> sum(_)
10

In clojure REPL I can do this:

Answer 1

Yes, you can use dot notation to refer to the last result:

scala> List(1,2,3,4)
res0: List[Int] = List(1, 2, 3, 4)

scala> .sum
res1: Int = 10