Any QoL changes desired from fastutils itself?

[techsy730]

Hello, I'm someone who has contributed code to fastutils, and have recently gained some more free time for open source contributions.

I've recently learned of this project, and thank you for stepping up to fill in a sorely missing hole in the fastutils API. 🙂

Do you have any annoying pain points in fastutils that fixing might help? And/or any sorely lacking API we could provide?

For example, would having an Int2IntConcurrentMap (and friends) interface, which basically smushes together ...fastutil.ints.Int2IntMap and java.util.ConcurrentMap (and of course the other combinations) be helpful?

[mchernyakov]

@techsy730 Hi, thanks for offering help.
Initially, the lib was designed for internal purposes, where the map set is not very diverse.
If you see some need to add more maps -- feel free to open a PR, but ping pls @sarveswaran-m @erdoganf @nikdom as I am no longer part of the development team.

[magicprinc]

Some improvements you could find interesting @sarveswaran-m @erdoganf @nikdom
https://github.com/magicprinc/fastutil-concurrent-wrapper

Branch "dev" has ultimate "zero fat" version.

[subes]

@magicprinc really cool fork, we made an iteration on your version here: https://github.com/invesdwin/invesdwin-util/tree/main/invesdwin-util-parent/invesdwin-util/src/main/java/de/invesdwin/util/collections/primitive

This explains what has been improved further: https://github.com/invesdwin/invesdwin-util?tab=readme-ov-file#concurrent-primitive-2-primitive-map

@techsy730 we implemented the whole fastutil map interfaces, something like this might be interesting to incorporate into fastutil directly (the whole concurrent maps). The BusyWait alternatives are not needed since this can be achieved via an ILockStrategy interface which externalizes this feature and makes it expandable without requiring specialized extension classes. This does not require the builder pattern anymore. Making it follow the normal constructor approach of fastutil (you could even get rid of the config object that we use in our version to make it flat constructors in each map).