Allow using Unique with interfaces#4764

Merged

wilzbach merged 5 commits intodlang:masterfrom

tmccombs:unique-interface

Jul 21, 2017

Commits on Sep 5, 2016

Allow using Unique with interfaces
tmccombs
committed

Commits on Sep 6, 2016

Add a little documentation
tmccombs
committed

Commits on Mar 16, 2017

Merge branch 'master' into unique-interface
tmccombs
authored

Commits on Mar 17, 2017