Thanks a lot , Alex.
So in order to working with defrecords , we have to use fully qualified
name , or we can import them.
But the :require is needed before I can import the 'defrecord' classes..
[... :refer :all] will not import the classes..
On Thursday, September 11, 2014 10:46:17 PM UTC+8, Alex Miller wrote:
>
> Yeah, dt/Record1 is not a thing that is referenceable.
>
> dt/->Record1 is a constructor function
> defrecord_example1.datatypes.Record1 is a class
>
> You can't use the ns alias dt to shorten the name of the class (those are
> different naming contexts).
>
>
> On Wednesday, September 10, 2014 8:44:18 PM UTC-5, Bin Li wrote:
>>
>> Yes , it is.
>>
>> Is it because that / is accessing the 'static' function/field ? so at
>> core.clj:
>>
>> we can only have there constructors as follow ?
>>
>> dt/->Record1
>> dt/->Record2
>> dt/map->Record1
>> dt/map->Record2
>>
>> On Wednesday, September 10, 2014 10:21:45 PM UTC+8, Alex Miller wrote:
>>>
>>> Is datatypes.clj at src/defrecord_example1/datatypes.clj ? (note _, not
>>> - in directory name)
>>>
>>>
>>> On Wednesday, September 10, 2014 6:01:25 AM UTC-5, Bin Li wrote:
>>>>
>>>> I have records defined at datatypes.clj:
>>>> ```clojure
>>>> (ns defrecord-example1.datatypes)
>>>>
>>>> (defrecord Record1 [f1])
>>>>
>>>> (defrecord Record2 [f1 f2 f3])
>>>>
>>>> ;; this is working at repl
>>>> (def m-inside1
>>>> {Record1
>>>> (fn [] ({:a "A"}))
>>>> Record2
>>>> (fn [] ({:n "B"}))})
>>>>
>>>> And using at core.clj :
>>>> ```clojure
>>>> (ns defrecord-example1.core
>>>> (:require
>>>> [defrecord-example1.datatypes :as dt]))
>>>>
>>>> ```
>>>>
>>>> ;; error at repl
>>>> ;; CompilerException java.lang.RuntimeException: No such var:
>>>> dt/Record1, compiling:(defrecord_example1\core.clj:7:1)
>>>> (def m-in-core1
>>>> {dt/Record1
>>>> (fn [] ({:a "A"}))
>>>> dt/Record2
>>>> (fn [] ({:n "B"}))})
>>>>
>>>> ```
>>>>
>>>> Any one can help on this ?
>>>> My project.clj:
>>>> ``` clojure
>>>> (defproject defrecord-example1 "0.1.0-SNAPSHOT"
>>>> :description "FIXME: write description"
>>>> :url "http://example.com/FIXME";
>>>> :license {:name "Eclipse Public License"
>>>> :url "http://www.eclipse.org/legal/epl-v10.html"}
>>>> :dependencies [[org.clojure/clojure "1.6.0"]])
>>>>
>>>> ```
>>>>
>>>>
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