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type 'a pp = Format.formatter -> 'a -> unit
let ( >> ) f g x = g (f x)
let tap f x =
f x;
x
let trace fmt x =
Fmt.epr fmt x;
x
module type Eq = sig
type t
val equal : t -> t -> bool
end
module type Comparable_infix = sig
type t
val ( = ) : t -> t -> bool
val ( <= ) : t -> t -> bool
val ( >= ) : t -> t -> bool
val ( < ) : t -> t -> bool
val ( > ) : t -> t -> bool
end
module Poly = struct
let ( = ) = Stdlib.( = )
let ( <= ) = Stdlib.( <= )
let ( >= ) = Stdlib.( >= )
let ( < ) = Stdlib.( < )
let ( > ) = Stdlib.( > )
end
include Stdlib.StdLabels
include Stdlib.MoreLabels
(** Shadow polymorphic operators in the Stdlib. *)
include struct
let min : int -> int -> int = min
let max : int -> int -> int = max
let compare : int -> int -> int = compare
include (Poly : Comparable_infix with type t := int)
end
module Int = struct
include Int
include (Poly : Comparable_infix with type t := t)
let float_div a b = to_float a /. to_float b
end
module Int32 = struct
include Int32
include (Poly : Comparable_infix with type t := t)
let float_div a b = to_float a /. to_float b
end
module Int63 = struct
include Optint.Int63
include (Poly : Comparable_infix with type t := t)
let float_div a b = to_float a /. to_float b
end
type int63 = Int63.t
module Int64 = struct
include Int64
include (Poly : Comparable_infix with type t := t)
let float_div a b = to_float a /. to_float b
end
module Float = struct
include Float
include (Poly : Comparable_infix with type t := t)
let float_div = ( /. )
let to_float x = x
let of_float x = x
end
module Option = struct
include Option
let ( || ) a b = match a with Some _ -> a | None -> b
end
module Result = struct
let get_or_invalid_arg = function
| Ok x -> x
| Error (`Msg s) -> invalid_arg s
let errorf fmt = Format.kasprintf (fun s -> Error (`Msg s)) fmt
end
module List = struct
include List
let rec intersperse ~sep = function
| ([] | [ _ ]) as l -> l
| h1 :: (_ :: _ as tl) -> h1 :: sep :: intersperse ~sep tl
end
module Staged : sig
type 'a t
type ('a, 'b) endo := 'a t -> 'b t
external map : f:('a -> 'b) -> ('a, 'b) endo = "%identity"
external inj : 'a -> 'a t = "%identity"
external prj : 'a t -> 'a = "%identity"
module Syntax : sig
val ( let$ ) : 'a t -> ('a -> 'b) -> 'b t
val ( and$ ) : 'a t -> 'b t -> ('a * 'b) t
end
end = struct
type 'a t = 'a
type ('a, 'b) endo = 'a t -> 'b t
external map : f:('a -> 'b) -> ('a, 'b) endo = "%identity"
external inj : 'a -> 'a t = "%identity"
external prj : 'a t -> 'a = "%identity"
module Syntax = struct
let ( let$ ) x f = f x
let ( and$ ) a b = (a, b)
end
end
module Unique_id () : sig
type t
val create : unit -> t
val equal : t -> t -> bool
val pp : t pp
end = struct
let allocated = ref 0
type t = int
let create () =
let v = !allocated in
incr allocated;
v
let equal = Int.equal
let pp = Fmt.int
end
module Sta_dyn : sig
type 'a t = Static of 'a | Dynamic of (unit -> 'a)
val get : 'a t -> 'a
val lift : ('a -> 'a -> 'a) -> 'a t -> 'a t -> 'a t
val pp : 'a pp -> 'a t pp
end = struct
type 'a t = Static of 'a | Dynamic of (unit -> 'a)
let get = function Static x -> x | Dynamic f -> f ()
let lift add x y =
let ( ++ ) = add in
match (x, y) with
| Static x, Static y -> Static (x ++ y)
| Dynamic f, Static x | Static x, Dynamic f -> Dynamic (fun () -> x ++ f ())
| Dynamic f, Dynamic g -> Dynamic (fun () -> f () ++ g ())
let pp pp_elt ppf = function
| Static x -> Fmt.pf ppf "Static %a" pp_elt x
| Dynamic f -> Fmt.pf ppf "Dynamic %a" pp_elt (f ())
end