Assign to this object the value of the specified rhs object, and return a non-const reference to this object. Depending on the match of the object's allocators, this operation performs either shallow (the allocators are the same) or deep (the allocators are different) copying.
Declared in <bdld_manageddatum.h>
ManagedDatum&
operator=(bslmf::MovableRef<ManagedDatum> rhs);