are there any good github repos with code samples or any talks specifically on arrow fx?

# arrow

[ipolyzos]

are there any good github repos with code samples or any talks specifically on arrow fx?

[ipolyzos]

or any resource other than the docs

[simon.vergauwen]

Hey @ipolyzos,

Not really 😕 I think the Arrow Fx Coroutines docs are the ones that are the most up-to-date and include the most useful information.

I’ve been mainly working on that project, and the docs in the last two years. Is there anything particular you’re looking for?

I hope to share some back-end examples soon.

[simon.vergauwen]

This was the announcement of the library 2,5 year ago.

https://www.youtube.com/watch?v=6sw8GAhUJz0&t=93s▾

[simon.vergauwen]

Where me and Raul walk through a small example using Arrow Fx Coroutines.

[simon.vergauwen]

If you’re familiar with Scala.
In Arrow Fx Coroutines you can find what you would typically expect in Cats effect, ZIO or Monix. parZip, parTravserse, Resource, CircuitBreaker, Atomic (Ref), etc

It provides higher level operations on top of KotlinX Coroutines.

[simon.vergauwen]

It also tries to fill the gap by adding some high-level ops for Flow which you might expect in FS2. We hope to expose a bunch of utility modules for Flow specifically too, similar to the standard library of FS2.

[ipolyzos]

actually kudos, because u’ve done an amazing job for fp in the kotlin community… i mainly wanted to check more examples to check and better understand different behaviors.. for example in the parallel section i see methods like parZip and guaranteeCase and wanted to see what else is included, probably more code samples etc. mostly to save me some time, because of time constraints.. but i guess the source code is the best place to dig in at the end of the day 😄

[simon.vergauwen]

Here is a full list of everything available (API DOCS). https://arrow-kt.io/docs/apidocs/arrow-fx-coroutines/arrow.fx.coroutines/

[simon.vergauwen]

However most things are also mentioned mentioned/linked from the Quick Start. I’m happy to help with any question you come across.

In 2022 I hope to focus more on content, examples etc. The foundational is now mostly finished 🙂

[ipolyzos]

not to make any big promises, but im planning to explore functional event-driven microservices with kotlin, arrow and pulsar in 2022, so hopefully i can help with the effort as i get more familiar

[ipolyzos]

actually just saw the examples in the source code under jvmTest.. gives u some more samples for reference

[Peter]

i put together a little repo internally to share with colleagues a while ago, i'll try to make that externally available, might be useful to someone, would be great to get feedback from all the smart folks here 😅

[ibcoleman]

I’ve found one of the biggest obstacles along the way to adopting arrow is that there’s a huge body of very detailed documentation that’s just no longer relevant. So when you’re struggling to figure out how to use things, there are a ton of helpful examples of 0.xx that all come up when you’re desperately googling. 🤣 This is not a criticism of the maintainers--the library is incredible, and obviously a labor of love. It’s just how it is.

[ipolyzos]

yeah i think i noticed it.. was checking some blog around the IO type and then found nothing on the docs.. i assume it was replace by the resource