message: [ocaml] add missing ocaml derivations
diff: @@ -47,6 +47,7 @@ pub mod caml {
  use super::*;
  + #[derive(ocaml::IntoValue, ocaml::FromValue, ocaml_gen::Struct)]
  pub struct CamlOracles<CamlF> {
  pub o: CamlRandomOracles<CamlF>,
  pub p_eval: (CamlF, CamlF),
  