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Last time (ca. 1 year ago) I tried learning OCaml, I ended up reading the beta version of Real World OCaml 2nd Ed. IIRC and for some reason all I remember now is that I didn't feel confident regarding the learning material.

The RWO-website https://dev.realworldocaml.org claims that the 2nd. Ed. has been published in Q4 2021, but I can't find it anywhere. Can somebody with experience tell me if RWO 2nd Ed. is the way to go?

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(Coauthor of RWO here)

We are just finishing edits of a few chapters (the tooling, testing and GADT ones), and then it’ll be off to the publishers early in the new year. The online one is therefore pretty up to date.

There’s also a thread on the OCaml forums on this topic with more suggestions: https://discuss.ocaml.org/t/how-do-you-stay-productive-in-oc...

Thanks a bunch!

since you're here, what do you think about starting a new OCaml project with esy as best practice today? I was working on https://o1-labs.github.io/ocamlbyexample/ and I was thinking of starting with that approach as it seems to provide a more modern experience than just opam/dune. (I read your book as introduction to OCaml and still struggled a ton with all the edge-cases of dune and opam. Even today I'm iffy every time I start working on some OCaml code again because I know I'll have to deal with opam/dune issues.)

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