Hi Aaron,
Thank you for your reply. I was able to understand.
> Why are you trying to use Arrays#asList btw? There are probably better
ways to do what you're trying to do.
I just wanted to test reify to implement java.util.Comarator as follows:
(java.util.Collections/sort x
(reify java.util.Comparator
(compare [this x y]
(Integer/compare x y))))
Initially, I gave a test data like this.
(def x
(doto (java.util.ArrayList.)
(.add 3)(.add 1)(.add 2)))
However, I thought asList is better. Are there better ways to do ?
Thanks,
MH
Since Arrays.asList is a variadic method, the Java compiler is magically
> creating an array behind the scenes for you when you write Java code
> invoking it.
>
> Clojure does variadic functions differently for native clojure code.
>
> To do interop with a Java variadic method have to create the array
> yourself:
> (java.util.Arrays/asList (make-array Object 1 2 3))
>
> Why are you trying to use Arrays#asList btw? There are probably better
> ways to do what you're trying to do.
>
> --Aaron
>
> On Thu, May 21, 2015 at 5:08 PM, webber <tokoma...@gmail.com <javascript:>
> > wrote:
>
>> I am trying to use java.util.Arrays/asList in Clojure.
>>
>> (java.util.Arrays/asList 1 2 3)
>>
>> CompilerException java.lang.IllegalArgumentException: No matching method:
>> asList, compiling:(NO_SOURCE_PATH:1:1)
>>
>> (java.util.Arrays/asList 1)
>>
>> ClassCastException java.lang.Long cannot be cast to [Ljava.lang.Object;
>> user/eval7195 (NO_SOURCE_FILE:1)
>>
>> What should I do to work it ?
>>
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