Thinking about it, what I’m trying to do is implement halfClose behaviour as 
per Tcp.

> On 27 Nov 2017, at 16:17, Konrad “ktoso” Malawski 
> <[email protected]> wrote:
> 
> What kind of Flow exactly. What does it do?
> See this too 
> https://doc.akka.io/docs/akka/current/stream/stream-error.html?language=scala#delayed-restarts-with-a-backoff-stage
>  other than supervision which isn’t generic.
> 
> 
> 
> -- 
> Cheers,
> Konrad 'ktoso' Malawski
> Akka @ Lightbend
> 
>> On November 27, 2017 at 14:14:33, Christopher Hunt ([email protected]) wrote:
>> 
>> Hi there.
>> 
>> I've got a requirement for a flow to keep going when its upstream input 
>> completes/fails. I could write a custom flow stage and override 
>> onUpstreamFinish, but I was wondering if there were a means to express this 
>> just using the FlowOps API. FlowOps.detach got me excited, but that isn't 
>> quite what I expected. Also, buffer(0, OverflowStrategy.backpressure) looked 
>> as though it could do the job, but the buffer size must be positive.
>> 
>> Thanks for any assistance.
>> 
>> Kind regards,
>> Christopher
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