Unique.this

Constructor that takes an rvalue. It will ensure uniqueness, as long as the rvalue isn't just a view on an lvalue (e.g., a cast). Typical usage: ---- Unique!Foo f = new Foo; ----

Constructor that takes an lvalue. It nulls its source. The nulling will ensure uniqueness as long as there are no previous aliases to the source.

Constructor that takes a Unique of a type that is convertible to our type.

Typically used to transfer a Unique rvalue of derived type to a Unique of base type. Example:

class C : Object {}

Unique!C uc = new C;
Unique!Object uo = uc.release;