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            Move-construct a basic_serial_port from a serial
            port of another executor type.
          
template< typename Executor1> basic_serial_port( basic_serial_port< Executor1 > && other, constraint_t< is_convertible< Executor1, Executor >::value, defaulted_constraint > = defaulted_constraint());
This constructor moves a serial port from one object to another.
                  The other basic_serial_port object
                  from which the move will occur.
                
            Following the move, the moved-from object is in the same state as if
            constructed using the basic_serial_port(const executor_type&)
            constructor.