You could use the :default option of the edn-reader e.g
(import 'clojure.lang.Reflector)
(defn- read-extended-ctor [class map]
(Reflector/invokeStaticMethod (Class/forName (name class)) "create"
(object-array [map])))
(defrecord x [a b])
(edn/read-string {:default read-extended-ctor} "#user.x{:b 2}")
;=> #user.x{:a nil :b 2}
Joachim De Beule writes:
> Dear Nicola, Meikel,
>
> Thanks for the quick replies! But is there a way to get at all reader forms
> recognized by clojure.core/read-string automatically, so that I don't have
> to do the bookkeeping of readers myself whenever I define a novel record
> etc?
> Of course, I could define my own 'defrecord-and-edn-reader' macro, but this
> seems a bit overkill?
>
> Joachim.
>
> Op maandag 9 september 2013 14:30:20 UTC+2 schreef Meikel Brandmeyer
> (kotarak):
>>
>> Hi,
>>
>> Am Montag, 9. September 2013 14:21:12 UTC+2 schrieb Joachim De Beule:
>>>
>>> So my questions are:
>>>
>>> 1) Is it really required that any non-standard reader-forms are passed to
>>> clojure.tools.reader.edn/read-str
>>> (via the :readers option)? and
>>>
>>> 2) If so, how do I get to the reader-forms of clojure.core/read-str, e.g.
>>> for reading records?
>>>
>>>
>> I don't know about the first, but second should be quite easy: (edn/read
>> {:readers {'test.X map->X}} <input>).
>>
>> Kind regards
>> Meikel
>>
>
> --
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