Copy

Copy an instance of reference elements to another.

Generic Method: ASSIGNMENT(=)

This method is used for defining assignment operator.

Interface

INTERFACE
  MODULE PURE SUBROUTINE Copy(obj, obj2)
    CLASS(AbstractRefElement_), INTENT(INOUT) :: obj
    CLASS(AbstractRefElement_), INTENT(IN) :: obj2
  END SUBROUTINE Copy
END INTERFACE