Bad documentation of Jane Street libraries

• ppx_jane

  1 27 4.8 Makefile

  Standard Jane Street ppx rewriters

  

I am trying to pick up OCaml again and want to use Base/Core, but I keep hitting walls due to the bad documentation. As an example, I wanted to use ppx_deriving so that I could add [@@ deriving show] to my types. But dune says "No driver were found" and that this is not a PPX rewriter. I googled and found that dune documentation recommends "ppx_jane". Then I googled what is "ppx_jane" and found just one sentence:

• ppx_base

  1 2 4.1 Makefile

  Base set of ppx rewriters

  

Then I went into kernel/src/dune and it lists a bunch of more ppx_ libraries. The first one is ppx_base which I googled and that has no documentation or README.

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• ppx_deriving

  7 441 7.0 OCaml

  Type-driven code generation for OCaml

  

is from https://github.com/ocaml-ppx/ppx_deriving

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