You can also patch the LispReader in jvm Clojure without dropping to Java.
Here's an example of that to add a #b reader
literal:
https://github.com/dgrnbrg/piplin/blob/master/src/piplin/types/bits.clj#L216
On Sunday, December 30, 2012 7:38:44 AM UTC-6, Ambrose Bonnaire-Sergeant
wrote:
>
> Jozef,
>
> How do you achieve that?
>
> Thanks,
> Ambrose
>
> On Sun, Dec 30, 2012 at 7:45 PM, Jozef Wagner
> <jozef....@gmail.com<javascript:>
> > wrote:
>
>> I use it in Clojurescript for a custom tuple type.
>>
>> For small number of items, deftypes are way faster to create and access
>> than PersistentVectors. I use tuple type e.g. for returning multiple values
>> from a function. Implementing #[] allowed me to have a compact syntax for
>> creating and destructuring such tuples.
>>
>> (defn foo [a b]
>> #[(+ a b) (- a b) (* a b)])
>>
>> (defn foo []
>> (let [#[plus minus times] (foo 1 2)]
>> (str "bla bla" plus "blaah" minus)))
>>
>> JW
>>
>> On Friday, December 28, 2012 11:15:52 PM UTC+1, vemv wrote:
>>>
>>> I was just wondering - given that we have the #() and #{} literals, why
>>> not a #[] as well? Queues look like a good fit.
>>>
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