* Statics may not contain any destructors.
* The types of static values must ascribe to `Sync` to allow thread-safe
access.
-* Statics may not refer to other statics by value, only by reference.
+* Statics allow using paths to statics in the
+ [constant-expression](expressions.html#constant-expressions) used to
+ initialize them, but statics may not refer to other statics by value, only by
+ reference.
* Constants cannot refer to statics.
Constants should in general be preferred over statics, unless large amounts of