On 2017-11-01T14:53:40 -0400 Brian Goetz <brian.go...@oracle.com> wrote:
> At the following URL, please find a writeup containing our current > thoughts on Data Classes for Java: > > http://cr.openjdk.java.net/~briangoetz/amber/datum.html > > Comments welcome! > > We'll be making a prototype available soon for folks to play with. This looks great! One thing springs to mind with the accessors: Is it possible that the generated accessor methods could participate in the implementation of interfaces? For example: interface Vector { double x(); double y(); double z(); } __data class Vector3 (double x, double y, double z) implements Vector { } The Vector3 type would automatically get x(), y(), and z() methods based on the field declarations. This may imply, of course, that the fields are public by default. I don't see any obvious reasons why this couldn't work, but you've almost certainly thought further than I have on the subject. -- Mark Raynsford | http://www.io7m.com
