Awesome! After I posted I ran into the permanent-channel in the API docs. 
Thanks for your help,

Patrick

On Thursday, July 11, 2013 3:58:47 PM UTC-4, Zach Tellman wrote:
>
> Hi Patrick,
>
> A similar question has been asked in the Aleph mailing list, and you can 
> see my answer there: 
> https://groups.google.com/forum/#!topic/aleph-lib/SIO9Z8d3tdo.  For 
> future reference, you're more likely to get my attention, or the attention 
> of someone else who can answer your question, if you post it there.
>
> Zach
>
> On Thursday, July 11, 2013 12:21:20 PM UTC-7, P Martin wrote:
>>
>> Hi there,
>>
>> I am working on an application using Lamina where I register several 
>> callbacks on a channel with receive-all. At some point in the application, 
>> I want to cancel all current callbacks. When this occurs the channel 
>> appears to close. Why does this happen? Is this a safety feature? For 
>> example:
>>
>> (def test-channel (channel))
>> (def cb1 (receive-all test-channel #(println %)))
>> (def cb2 (receive-all test-channel #(println % " two!")))
>>
>> ... some time later
>>
>> (cancel-callback test-channel cb1)
>> (cancel-callback test-channel cb2)
>>
>> (enqueue test-channel "something")
>> >> :lamina/closed!
>>
>> Thanks!
>> Patrick
>>
>

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