Part 1 Proposal for JDK-8264594

[leerho]

Of course!

On Thu, May 20, 2021 at 9:42 AM Maurizio Cimadamore <
maurizio.cimadamore at oracle.com> wrote:

>
> On 20/05/2021 17:13, leerho wrote:
>
> I am not sure if the *dstSegSlice* requires the *srcCopyLen*. I would
> hope that it is smart enough to realize that the input length is smaller
> than the given offset minus the segment size.
>
> asSlice has an overload that just takes an offset and infers the resulting
> size from there.
>
> But that doesn't seem what you want here - as you want the slice to have a
> specific size (the size of the input array).
>
> MemorySegment::copyFrom wants the two segments to have the same size, so I
> think you need that.
>
> In terms of performance, there's no difference between asSlice(offset) and
> asSlice(offset, size) - you have to create a new segment anyway.
>
> Maurizio
>
>
>