RFR: 8345314: Add a red–black tree as a utility data structure [v3]

[Coleen Phillimore]

On Wed, 4 Dec 2024 12:21:26 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Yes of course we can. Users add their own instantiations as required. I'm not saying you must do this, but I am saying it's not hard.
>
> I think the case for making the whole thing in a header depends on how much code there is, that's all.

concurrentHashTable uses the trick of inlining a lot of methods in concurrentHashTable.inline.hpp and concurrentHashTableTasks.inline.hpp that are included in the .cpp callers.  This might work for this also.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22360#discussion_r1869496735