RFR: 8369564: Provide a MemorySegment API to read strings with known lengths [v2]

[Liam Miller-Cushon]

On Wed, 29 Oct 2025 17:40:14 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> A user can easily convert between one or the other length representation by multiplying/dividing by the right scalar

That is true of e.g. UTF-16 but not of UTF-8, since the encoding is variable width and doing the conversion from bytes to characters is more expensive there.

> Either way, we felt that it would be a good idea if you could send an email to panama-dev in which you describe your exact use case, before getting further into the code review. That would give others a chance to respond with their use cases as well.

Sounds good, thanks, I can start a thread discussing the use-case here at a higher level.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28043#discussion_r2474577641