It would help to know what your real goal is, but compiled Clojure does not 
retain the original source form. 

One hook you do have though is macros which will be invoked prior to 
compilation. At macro execution time, you have access to the special &form 
var which is the original form (as a Clojure data structure). 

Thus you could write a defn-like macro which when called to define a 
function definition would define the function and decorate it with meta 
that included the definition. I am a poor enough macrologist that I will 
not attempt that here but merely suggest it should be feasible. :)  

Alex

On Thursday, November 21, 2013 12:14:39 PM UTC-6, henry w wrote:
>
> Say you have a function created like this:
>
> (fn [x] (+ x y))
>
> and then you have a reference to an instance of this function, is there 
> some way to use the function reference to access the list '(fn [x] (+ x y)),
> including the symbol 'y' (such that you could dereference 'y' and get its 
> value)? The source function is not the right thing and so far googling 
> hasn't got me the answer.
>
> Thanks
>

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