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From: Andreas Leitgeb <avl@logic.at>
Newsgroups: comp.lang.java.programmer
Subject: Re: underscore as keyword in Java 9
Date: Sun, 24 Sep 2017 11:25:43 -0000 (UTC)
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Arne Vajhøj <arne@vajhoej.dk> wrote:
> On 9/23/2017 12:46 PM, j4n bur53 wrote:
>> As long as Java doesn't have multi-returns, there
>> will be not many use cases. For multi returns, if
>> they were in the Java language, it could be offered
>> as in the Go Programming Language:
>> /* fetching the y coordinate of a 3D point */
>> _, y, _ := coord(p)
> I suspect that Java will get that in version 10 or 11.
> Reason: C# got it in version 7 (and Java and C# tend
> to steal ideas from each other).
> Syntax like:
> (int v1,int v2) = M();

These speculations are entirely orthogonal to the point that "_"
is taken away from the realm of identifiers, but might in future
be used syntactically like throw-away identifiers - A use they
sometimes already have - and this particular use is now being
forbidden just before likely being re-enabled.