polars-ocaml issues

Figure out way to pass OCaml closures to polars

This is difficult since the [functions in polars require `'static` lifetimes](https://docs.rs/polars/latest/polars/prelude/fn.fold_exprs.html) and AFAICT we can't create a function like this with ocaml_interop's current support for passing OCaml closures to Rust...

mt-caret

Add support for loading sexps as structs?

https://github.com/LaurentMazare/rsexp and https://github.com/chengsun/simd-sexp are probably good projects to build on.

mt-caret

Make variant/enum mapping more safer

Available [macros in ocaml_interop](https://docs.rs/ocaml-interop/latest/ocaml_interop/index.html#macros) are quite basic, so we need to resort to expand the macros out and mess around with them to get behavior we want. This makes it...

mt-caret

Try to remove core_kernel.nonempty_list dependency?

2

If we adjust the following signature: https://github.com/mt-caret/polars-ocaml/blob/57689e373da78471579146ff7d67da5a2f020071/lib/expr.mli#L954 From: `val concat_list : t Nonempty_list.t -> t` To: `val concat_list : t -> t list -> t` We can get rid of...

yawaramin