Direct copy-paste from my repl:
user=> (defn ^{:test true} f1 []
#_=> (println "call f1 fn"))
#'user/f1
user=>
user=> (defn ^{:test false} f2 []
#_=> (println "call f2 fn"))
#'user/f2
user=> (:test (meta (var f1)))
true
user=> (:test (meta (var f2)))
false
user=> (println (:test (meta (var f2))))
false
nil
...this proves that it works as I described previously...probably your
f1 var is namespaced so unless you're in that namespace or you 're
'use'ing that namespace you need to qualify the var...I suggest you try
again...
Jim
On 22/10/12 22:24, Mamun wrote:
Hi Jim
Thank for your ans. But this does not work. When I run code I got
"Unable to resolve var" error. Please find in bellow:
CompilerException java.lang.RuntimeException: Unable to resolve var:
form in this context, compiling:(NO_SOURCE_PATH:4)
Source code-
(defn ^{:test true} f1 []
(println "call f1 fn"))
(defn ^{:test false} f2 []
(println "call f2 fn"))
(def f* (list f1 f2))
(defn process [form]
(do
(form) ; it will call f1, f2...
;I need to access meta data of f1, f2......
*;(println (:test (meta (var form)))) ;Error*
(println (str "-->" form))))
(map #(process %1) f*)
Regards,
Mamun
On Monday, October 22, 2012 5:45:21 PM UTC+2, Jim foo.bar wrote:
well not quite!
you need (-> form
var
meta
:test)
or the same thing written differently (:test (meta (var form)))
Hope that helps,
Jim
ps: basically the meta-data sit with the var not the function
On 22/10/12 16:33, Jim foo.bar wrote:
If I've understood correctly all you need is (meta form)...
Jim
On 22/10/12 15:30, Mamun wrote:
Hi All,
I've a application with following structure. Now I would like to
access meta data of f1 and f2 within process function.
(defn ^{:test true} f1 []
(println "call f1 fn"))
(defn ^{:test false} f2 []
(println "call f2 fn"))
(def f* (list f1 f2))
(defn process [form]
(do
* //Would like to access meta data of form*
(println (str "-->" form))))
(map #(process %1) f*)
Does any one have any idea?
Regards,
Mamun
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