From: Per Bothner <per@bothner.com>
To: Duncan Mak <duncanmak@gmail.com>,
kawa mailing list <kawa@sourceware.org>
Subject: Re: Going from Scheme list to Java array
Date: Mon, 22 Jun 2020 17:02:13 -0700 [thread overview]
Message-ID: <60f49197-5651-bf5d-fa25-9c7472874875@bothner.com> (raw)
In-Reply-To: <CABgWrqqYk5620G06mypC7vDTrqp=GE6E=WKoX7hUxMMjUZXqpA@mail.gmail.com>
On 6/22/20 9:26 AM, Duncan Mak via Kawa wrote:
> (define (into-array l ::java.util.List array-type)
> (let* ((size (length l))
> (array ((primitive-array-new array-type) size)))
> (l:toArray array)))
>
> (display (into-array (list 1 2 3) <int>))
>
> When I run this in Kawa 3.1.1, this is what I see:
>
> foo.scm:4:5: warning - more than one possibly applicable method 'toArray'
> in java.util.List
> candidate: Type java.lang.Object[] java.util.List.toArray(ClassType
> java.util.function.IntFunction<null>)
> candidate: Type java.lang.Object[]
> java.util.List.toArray(java.lang.Object[])
Not sure what is going on here. When I use Java 8, there is no problem.
When I use Java 14, I get the same error. So it seems like something
got added (after Java got default interface methods). However, I don't see
it in the documentation here:
https://docs.oracle.com/en/java/javase/14/docs/api/java.base/java/util/List.html
--
--Per Bothner
per@bothner.com http://per.bothner.com/
next prev parent reply other threads:[~2020-06-23 0:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-22 16:26 Duncan Mak
2020-06-22 16:58 ` Per Bothner
2020-06-23 0:08 ` Per Bothner
2020-06-23 0:28 ` Duncan Mak
2020-06-23 17:23 ` Per Bothner
2020-06-23 0:02 ` Per Bothner [this message]
2020-06-23 0:05 ` Duncan Mak
2020-06-23 11:10 ` spellcard199
2020-06-23 17:34 ` Per Bothner
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