Both identity policies are adhered to, and then concatenated uniquely.
Differs from Retain.Cross in that it distincts its identities, whereas
cross retains all identities.
Linear Supertypes
Serializable, Serializable, scala.Product, Equals, IdentityPolicy, AnyRef, Any
Both identity policies are adhered to, and then concatenated uniquely. Differs from
Retain.Cross
in that it distincts its identities, whereas cross retains all identities.