Interactive Elixir (0.9.4-dev)
iex(1)> :start
iex(1)> 8 + 4
...(1)>
And then the session freezes. Tutorial is unclear about what to do following that.
E: appears to be broken in FF 22.0 for me, but works in Chrome. Other people with a similar FF version do not seem to be having the same issue. Disregard this comment.