On Sat, Nov 14, 2009 at 14:55, Albert Cardona <[email protected]> wrote:
> On Fri, Nov 13, 2009 at 11:26 PM, Mike Hogye <[email protected]> wrote:
>> Why is there an easy way to def a private function (defn-), but no
>> similarly easy way to def an arbitrary var as private?
>
>
> The way I see it, def- would encourage gratuitous variable declaration
> imperative style.
Not necessarily.
I find myself quite often writing code like this:
(defn some-general-fn [a b c d] ...)
(def some-concrete-application-of-fn-above (partial some-general-fn 42))
Having def- would be cool for such constructs.
For example this converts values in a map to json-encoded strings:
(defn- vals-lift [f m]
(reduce (fn [acc [k v]] (assoc acc k (f v))) {} (seq m)))
(def #^{:private true} vals2json (partial vals-lift json-str))
[
http://github.com/kunley/clojure-couchdb/blob/master/src/couchdb/client.clj#L206
]
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