close method
void
close()
Undeclares the advanced subscriber and releases native resources.
Safe to call multiple times -- subsequent calls are no-ops.
Implementation
void close() {
if (_closed) return;
_closed = true;
bindings.zd_advanced_subscriber_drop(_ptr.cast());
_samplePort.close();
_sampleController.close();
_missPort?.close();
_missController?.close();
calloc.free(_ptr);
}