...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
without opening it.
template< typename ExecutionContext> basic_serial_port( ExecutionContext & context, typename constraint< is_convertible< ExecutionContext &, execution_context & >::value, defaulted_constraint >::type = defaulted_constraint());
This constructor creates a serial port without opening it.
An execution context which provides the I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.