I guess I could get rid of the multimethod and instead do something like 
this: 

   ((symbol (:intent this-users-conversation)))

but that seems like a hack.


On Wednesday, September 30, 2015 at 8:33:36 PM UTC-4, Lawrence Krubner 
wrote:
>
> For maximum flexibility I wanted to use a multimethod, defined like this: 
>
>
> (defmulti intent
>   (fn [& args]
>     (apply discern args)))
>
> This is how discern is defined: 
>
> (defn- discern
>   
>   ([this-users-conversation]
>    {:pre [(map? this-users-conversation)]}
>    (:intent this-users-conversation)) 
>
>   ([this-users-conversation salesforce-object-name]
>    {:pre [(map? this-users-conversation)
>           (string? salesforce-object-name)]}
>    (:intent this-users-conversation))
>
>   ([this-users-conversation salesforce-object-name name-of-attribute]
>    {:pre [(map? this-users-conversation)
>           (string? salesforce-object-name)
>           (string? name-of-attribute)]}
>    (:intent this-users-conversation))
>
>   ([this-users-conversation salesforce-object-name name-of-attribute 
> name-of-intent]
>    {:pre [(map? this-users-conversation)
>           (string? salesforce-object-name)
>           (keyword? name-of-attribute)
>           (string? name-of-intent)]}
>    name-of-intent))
>
> but then I call the multimethod like this:
>
> (intent this-users-conversation "Opportunity" :Name 
> "query-salesforce-for-attribute")
>
> and I get: 
>
> :class clojure.lang.ArityException,
> :message "Wrong number of args (4) passed to: query/fn--65",
>
> Should I give up on this idea, or is there a way to make this work? 
>
>
>
>
>
>

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