Changing 3) to also import the record class:
(ns defrecordissue.aot1
(:require [defrecordissue.aprotocol]
[defrecordissue.arecord])
(:import [defrecordissue.arecord ARecord]))
makes no difference. Compilation still fails with the same exception.
This is obviously a contrived example. When I encountered this in the
wild, the consumer of the equivalent of the defrecord.aprotocol
namespace did not construct a record instance directly. It has no
awareness of the record type, and should not need to have so.
On Wednesday, 17 April 2013 20:13:36 UTC+1, Andrew Sernyak wrote:
>
> I guess you have to import defrecord generated class before you want to
> use it, check the sample from clojuredocs about defrecord
>
> ; If you define a defrecord in one namespace and want to use it
>> ; from another, first require the namespace and then import
>> ; the record as a regular class.
>> ; The require+import order makes sense if you consider that first
>> ; the namespace has to be compiled--which generates a class for
>> ; the record--and then the generated class must be imported.
>> ; (Thanks to raek in #clojure for the explanations!)
>>
>> ; Namespace 1 in "my/data.clj", where a defrecord is declared
>> (ns my.data)
>>
>> (defrecord Employee [name surname])
>>
>>
>> ; Namescape 2 in "my/queries.clj", where a defrecord is used
>> (ns my.queries
>> (:require my.data)
>> (:import [my.data Employee]))
>>
>> (println
>> "Employees named Albert:"
>> (filter #(= "Albert" (.name %))
>> [(Employee. "Albert" "Smith")
>> (Employee. "John" "Maynard")
>> (Employee. "Albert" "Cheng")]))
>>
>>
>>
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