Obj(3) Operations on internal representations of values.

Module

Module Obj

Documentation

Module Obj
 :  sig end

Operations on internal representations of values.

Not for the casual user.

type t

val repr : 'a -> t

val obj : t -> 'a

val magic : 'a -> 'b

val is_block : t -> bool

val is_int : t -> bool

val tag : t -> int

val set_tag : t -> int -> unit

val size : t -> int

val field : t -> int -> t

val set_field : t -> int -> t -> unit

val double_field : t -> int -> float

val set_double_field : t -> int -> float -> unit

val new_block : int -> int -> t

val dup : t -> t

val truncate : t -> int -> unit

val add_offset : t -> Int32.t -> t

val first_non_constant_constructor_tag : int

val last_non_constant_constructor_tag : int

val lazy_tag : int

val closure_tag : int

val object_tag : int

val infix_tag : int

val forward_tag : int

val no_scan_tag : int

val abstract_tag : int

val string_tag : int

val double_tag : int

val double_array_tag : int

val custom_tag : int

val final_tag : int

val int_tag : int

val out_of_heap_tag : int

val unaligned_tag : int

val extension_name : 'a -> string

val extension_id : 'a -> int

val extension_slot : 'a -> t

=== The following two functions are deprecated. Use module Marshal instead. ===

val marshal : t -> bytes

val unmarshal : bytes -> int -> t * int