Not printing in Reason syntax

[jordwalke]

Here's the sample output. I don't know if it's broken for just this case or for all cases. I haven't seen one that actually prints correctly. I'm on the latest Reason (so it pulls in master BetterErrors IIRC).

File "src/Layout.re", line 511, characters 12-287:
Warning 10: this expression should have type unit.
File "src/Layout.re", line 553, characters 16-50:
Error: This expression has type float but an expression was expected of type
         int ref
Command exited with code 2.
Compilation unsuccessful after building 10 targets (9 cached) in 00:00:00.