I tried your code and got the expected result:
user> (def registry (atom {}))
#'user/registry
user> (import 'java.util.Date)
java.util.Date
user> (defn add-to-logged-in-registry [this-users-params]
(let [right-now (. (Date.) getTime)
new-user-entry (conj this-users-params { "updated" right-now })]
(swap! registry (fn [map-of-user-maps]
(conj map-of-user-maps {:hi new-user-entry})))))
#'user/add-to-logged-in-registry
user> (add-to-logged-in-registry {:a 1 :b 2})
{:hi {"updated" 1350573599595, :a 1, :b 2}}
user>
On Thu, Oct 18, 2012 at 8:16 AM, larry google groups <
lawrencecloj...@gmail.com> wrote:
> Okay, this is very confusing to me. If I try this:
>
> (defn add-to-logged-in-registry [this-users-params]
>
> (let [right-now (. (Date.) getTime)
> new-user-entry (conj this-users-params { "updated" right-now })]
> (swap! registry (fn [map-of-user-maps]
> (conj map-of-user-maps {:hi new-user-entry})))))
>
> and then at the REPL I:
>
> who-is-logged-in.core> @registry
> {nil {:last_name "777ch", :image "7777in.jpg", :username "7777ch",
> :first_name "77777alle", "updated" 1350573104214}}
>
> Here I am hard-coding a key called ":hi" and yet in the registry I still
> see the top level key as "nil". What happened to the :hi? I was expecting:
>
>
> {:hi {:last_name "777ch", :image "7777in.jpg", :username "7777ch",
> :first_name "77777alle", "updated" 1350573104214}}
>
>
> What am I not understanding?
>
>
>
>
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