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module List = Stdlib.ListLabels
module Poly = struct
let equal = ( = )
let compare = compare
end
module Phys_equal = struct
let equal = ( == )
end
let ( = ) = Int.equal
let ( == ) = [ `Use_phys_equal ]
let ( < ) x y = Int.compare x y = -1
let ( > ) x y = Int.compare x y = 1
let min = Int.min
let max = Int.max
let compare = Int.compare
module Option = struct
include Option
module Unboxed : sig
type 'a t
val none : 'a t
val some : 'a -> 'a t
val is_none : 'a t -> bool
val is_some : 'a t -> bool
val value_exn : 'a t -> 'a
val to_option : 'a t -> 'a option
val iter : 'a t -> f:('a -> unit) -> unit
end = struct
type 'a t = Obj.t
let some x = Obj.repr x
let none = Obj.repr (Sys.opaque_identity (-1))
let phys_equal = Stdlib.( == )
let is_none t = phys_equal t none
let is_some t = not (phys_equal t none)
let value_exn t =
if is_none t then invalid_arg "Option.Unboxed.value_exn called on None";
Obj.obj t
;;
let to_option t = if is_none t then None else Some (value_exn t)
let iter t ~f = if is_none t then () else f (value_exn t)
end
end
module Int = struct
let[@warning "-32"] hash (x : int) = Hashtbl.hash x
include Stdlib.Int
end