Module Js_of_ocaml_compiler.Magic_number
type t = private string * int
exception Bad_magic_number of string
exception Bad_magic_version of t
val compare : t -> t -> int
val equal : t -> t -> bool
val of_string : string -> t
val to_string : t -> string
val kind : t -> [ `Cmo | `Cma | `Exe | `Other of string ]
val current : [ `Cmo | `Cma | `Exe ] -> t