val create : 'a Core_kernel.Type_equal.Id.t ‑> 'a ‑> t
val extract_exn : t ‑> 'a Core_kernel.Type_equal.Id.t ‑> 'a
val lookup_by_id_exn : Ecaml__.Caml_embedded_id.t ‑> 'a Core_kernel.Type_equal.Id.t ‑> 'a
val to_value : t ‑> Ecaml__.Value0.t
val of_value_exn : Ecaml__.Value0.t ‑> t
val debug_sexp : unit ‑> Core_kernel.Sexp.t