Yes, you can use this pattern to define a mini-interpreter for a stream of 
events or commands, where each event is represented as a data structure.

For example, I've used this pattern to write little scripts, a a collection 
of maps, for driving an integration test.
–S


On Monday, May 25, 2015 at 10:57:22 PM UTC+1, piastkrakow wrote:
>
> Stuart Sierra,
>
> Thank you for the response. I won't take that talk as encyclopedic. 
> The 'chain-consequences' function is very interesting, though it is 
> unfamiliar to me. I am still learning about Clojure. 
>
> You mention that the State/Event pattern is a common one. If you were 
> talking about architectures, I would say your description reminds me of 
> Kafka (events are data structures, replaying events can replay the whole 
> history of state in the app, etc) but I am curious where you feel this 
> pattern shows up as a design pattern? I assume you mean to broadly define 
> this to include those situations where we might use pure functions in loop 
> or reduce to iterate over a "message" where the "message" is some data 
> structure, perhaps a JSON document, or some other kind of seq generated by 
> an event? 
>

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