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<@U7G1EEDFX> regarding Arrow there is <#C5UPMM0A0|arrow> where you can ask any questions as you progress through some of the tutorials and types the library offers. If you are interested in reactive and functional rogrammin gyou are most likely gonna be dealing with effects and IO. For that there is Arrow Fx which shows you a few basic examples from scracth as to what pure functions are and why effects need to be tracked and controlled. Arrow Fx also offers concurrency primitives, async, safe resource acquisitions etc, all patterns you need in reactive and functional programming when dealing with side effects. <https://arrow-kt.io/docs/effects/fx/>