Current_cache.OutputSourcePublish outputs with caching.
module P : S.PUBLISHERval set :
?schedule:Schedule.t ->
P.t ->
P.Key.t ->
P.Value.t ->
P.Outcome.t Current.Primitive.tset p k v is a term for the result of setting k to v.
reset ~db clears the cache. Useful for unit-tests.