You could implement show as a macro that resolves the var before calling
the fn:
(defmacro show [f & args]
(let [f-var# (resolve f)]
`(let [r# (~f ~@args)]
(println ~f-var# r#))))
user> (show + 1 2)
#'clojure.core/+ 3
- Toby
unlo...@bytopia.org writes:
> You need to pass not the function itself, but its Var. Because Vars are the
> ones that hold metadata.
>
> (show #'elementary/nothing-but-the-truth true)
>
> On Friday, May 2, 2014 4:28:49 AM UTC+2, Erlis Vidal wrote:
>>
>> Hi guys,
>>
>> I want to write a function (show) that will receive a function as
>> parameter. How can print the original name of that function? I've tried
>> with meta, resolve, name but none of them give me the result I want.
>>
>> The goal is that I want to write a function that print the name of the
>> function that will be executed then the result of that execution. If
>> there's a better way to achieve this I'll appreciate your suggestions.
>>
>> Thanks!
>> Erlis
>>
>> (defn show [f sol]
>> (print (meta f)))
>>
>>
>> (defn -main []
>> (show elementary/nothing-but-the-truth true))
>>
>>
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