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

I normally just hit the ↑ key to bring back the last line of code and carry on typing. This has the advantage of keeping the whole expression together for easy cutting-and-pasting or editing later.