vertx / io.vertx.rxjava.core.datagram / DatagramSocket / close

# close

`open fun close(handler: Handler<AsyncResult<Void>>): Unit`

Closes the io.vertx.rxjava.core.datagram.DatagramSocket implementation asynchronous and notifies the handler once done.

### Parameters

`handler` - the handler to notify once complete

`open fun close(): Unit`

Closes the io.vertx.rxjava.core.datagram.DatagramSocket. The close itself is asynchronous.