ocaml/stdlib/obj.mli

30 lines
1.3 KiB
OCaml

(***********************************************************************)
(* *)
(* Caml Special Light *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1995 Institut National de Recherche en Informatique et *)
(* Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Module [Obj]: operations on internal representations of values *)
(* Not for the casual user. *)
type t
external repr : 'a -> t = "%identity"
external magic : 'a -> 'b = "%identity"
external is_block : t -> bool = "obj_is_block"
external tag : t -> int = "obj_tag"
external size : t -> int = "%obj_size"
external field : t -> int -> t = "%obj_field"
external set_field : t -> int -> t -> unit = "%obj_set_field"
external new_block : int -> int -> t = "obj_block"
external marshal : t -> string = "output_value_to_string"
external unmarshal : string -> int -> t * int = "input_value_from_string"