valhalla-dev Digest, Vol 6, Issue 3
brian.goetz at oracle.com
Mon Dec 22 01:18:08 UTC 2014
> What happened to Optional?
> If Optional could be morphed into a value type AND be specialized at the
> same time, then returning Optional<int> from Map<K, int>.getOptionaly(k)
> would be the right thing to do.
Nothing has happened yet! But, it is high on the list of nice-to-haves
to have a path to migrating a value-based reference class to be a value
type. Significant challenges exist on this path, but we're going to try
A value-Optional would indeed provide one path forward for
rehabilitating Map.get. (The existing getOrDefault is another option.)
More information about the valhalla-dev