siroky/Payola — comment on commit 7d01cc34c3a411074f513fef72d5592bda49f873
File: payola/web/client/src/main/scala/cz/payola/web/client/views/graph/VertexView.scala line 16
By siroky:

S2js fully supports nulls, but its good practise to use Options. On places where you indicate "no result" by null, its better to use Option (None) because it potects you from NullPointerExceptions. http://blog.danielwellman.com/2008/03/using-scalas-op.html