Midi.PortMIDI port.
The type for MIDIPort objects.
val as_target : t -> Brr.Ev.targetas_target p is p as an event target.
val open' : t -> unit Fut.or_erroropen' p opens the port.
val close : t -> unit Fut.or_errorclose p closes the port.
id p is the identifier of p.
manufacturer p is the manufacturer of p.
connection p is the connection of p.