public static IObservable <TSource> DisposeAtEnd <TSource>(
this IObservable <TSource> source,
DDS.TypedDataWriter <TSource> dw,
TSource instance)
{
DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;
return(source.Do(o => dw.write(o, ref instance_handle),
ex => dw.dispose(instance, ref instance_handle),
() => dw.dispose(instance, ref instance_handle)));
}
