Draft JEP Announcement: "Computed Constants"

[Remi Forax]

I've re-implemented the API without VM support or directly using @Stable (the JDK already provides List.of()), it works with Java 17+. 
[ https://github.com/forax/computed-constant | https://github.com/forax/computed-constant ] 

The API seems quite good, apart ComputedConstant.isBinding(), I see the purpose of it when debugging but at the same time I fear people will use it in a busy loop. 

regards, 
Rémi 

> From: "Per-Ake Minborg" <per-ake.minborg at oracle.com>
> To: "leyden-dev" <leyden-dev at openjdk.org>
> Sent: Thursday, July 27, 2023 5:52:46 PM
> Subject: Draft JEP Announcement: "Computed Constants"

> Hi all,

> Maurizio and I have drafted a JEP for computed constants, which are
> immutable value holders that are initialized at most once. They offer
> the performance and safety benefits of final fields while offering
> greater flexibility as to the timing of initialization. In the
> context of Leyden, they could be one basis for shifting computation
> both forward and backward in time.

> The draft is here: [ https://openjdk.org/jeps/8312611 |
> https://openjdk.org/jeps/8312611 ]

> Now that the Leyden repo is open, I’ll publish the prototype code to a
> new branch there shortly.

> Comments are welcome!

> Best, Per
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