33 lines
1.4 KiB
OCaml
33 lines
1.4 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* Operations on internal representations of values *)
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type t
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external repr : 'a -> t = "%identity"
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external obj : t -> 'a = "%identity"
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external magic : 'a -> 'b = "%identity"
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external is_block : t -> bool = "obj_is_block"
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external tag : t -> int = "obj_tag"
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external size : t -> int = "%obj_size"
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external field : t -> int -> t = "%obj_field"
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external set_field : t -> int -> t -> unit = "%obj_set_field"
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external new_block : int -> int -> t = "obj_block"
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external dup : t -> t = "obj_dup"
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let marshal (obj: t) =
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Marshal.to_string obj []
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let unmarshal str pos =
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(Marshal.from_string str pos, pos + Marshal.total_size str pos)
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