Type Definition ocaml_interop::OCamlFn4

type OCamlFn4<A, B, C, D, Ret> = unsafe fn(_: OCamlAllocToken, _: OCaml<'_, A>, _: OCaml<'_, B>, _: OCaml<'_, C>, _: OCaml<'_, D>) -> OCamlResult<Ret>;

OCaml function that accepts four arguments.