On Tue, 18 Oct 2022 19:10:00 GMT, Brent Christian <bchri...@openjdk.org> wrote:
>> test/jdk/java/util/Formatter/BasicByteObject.java line 232:
>>
>>> 230:
>>> 231: private static Byte negate(Byte v) {
>>> 232: return (byte) -v.byteValue();
>>
>> We want to be returning a `Byte`, so casting to `(byte)` doesn't seem right
>> to me.
>>
>> `Byte.valueOf()` takes a `byte` and returns a `Byte`, so using that as the
>> replacement for `new Byte`, we get:
>> `return Byte.valueOf(-v.byteValue());`
>> Is there a way to get the template to do that?
>
> So, the above suggestion gives explicit auto-boxing, though some might find
> it wordier than necessary.
>
> Since `v.byteValue()` already returns a `byte`, the `(byte)` cast doesn't
> seem necessary. I see that L242 does:
>> `return -v.intValue();`
>
> which is a pretty clean look. So `return -v.byteValue();` would be an option,
> too.
Negating v.byteValue() promotes it into an int. So then casting to byte would
be necessary.
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PR: https://git.openjdk.org/jdk/pull/10684
