`sig
module Array :
sig
external length : 'a array -> int = "%array_length"
external get : 'a array -> int -> 'a = "%array_safe_get"
external set : 'a array -> int -> 'a -> unit = "%array_safe_set"
external make : int -> 'a -> 'a array = "caml_make_vect"
external create : int -> 'a -> 'a array = "caml_make_vect"
val init : int -> f:(int -> 'a) -> 'a array
val make_matrix : dimx:int -> dimy:int -> 'a -> 'a array array
val create_matrix : dimx:int -> dimy:int -> 'a -> 'a array array
val append : 'a array -> 'a array -> 'a array
val concat : 'a array list -> 'a array
val sub : 'a array -> pos:int -> len:int -> 'a array
val copy : 'a array -> 'a array
val fill : 'a array -> pos:int -> len:int -> 'a -> unit
val blit :
src:'a array ->
src_pos:int -> dst:'a array -> dst_pos:int -> len:int -> unit
val to_list : 'a array -> 'a list
val of_list : 'a list -> 'a array
val iter : f:('a -> unit) -> 'a array -> unit
val map : f:('a -> 'b) -> 'a array -> 'b array
val iteri : f:(int -> 'a -> unit) -> 'a array -> unit
val mapi : f:(int -> 'a -> 'b) -> 'a array -> 'b array
val fold_left : f:('a -> 'b -> 'a) -> init:'a -> 'b array -> 'a
val fold_right : f:('a -> 'b -> 'b) -> 'a array -> init:'b -> 'b
val sort : cmp:('a -> 'a -> int) -> 'a array -> unit
val stable_sort : cmp:('a -> 'a -> int) -> 'a array -> unit
val fast_sort : cmp:('a -> 'a -> int) -> 'a array -> unit
external unsafe_get : 'a array -> int -> 'a = "%array_unsafe_get"
external unsafe_set : 'a array -> int -> 'a -> unit
= "%array_unsafe_set"
end
module List :
sig
val length : 'a list -> int
val hd : 'a list -> 'a
val tl : 'a list -> 'a list
val nth : 'a list -> int -> 'a
val rev : 'a list -> 'a list
val append : 'a list -> 'a list -> 'a list
val rev_append : 'a list -> 'a list -> 'a list
val concat : 'a list list -> 'a list
val flatten : 'a list list -> 'a list
val iter : f:('a -> unit) -> 'a list -> unit
val map : f:('a -> 'b) -> 'a list -> 'b list
val rev_map : f:('a -> 'b) -> 'a list -> 'b list
val fold_left : f:('a -> 'b -> 'a) -> init:'a -> 'b list -> 'a
val fold_right : f:('a -> 'b -> 'b) -> 'a list -> init:'b -> 'b
val iter2 : f:('a -> 'b -> unit) -> 'a list -> 'b list -> unit
val map2 : f:('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list
val rev_map2 : f:('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list
val fold_left2 :
f:('a -> 'b -> 'c -> 'a) -> init:'a -> 'b list -> 'c list -> 'a
val fold_right2 :
f:('a -> 'b -> 'c -> 'c) -> 'a list -> 'b list -> init:'c -> 'c
val for_all : f:('a -> bool) -> 'a list -> bool
val exists : f:('a -> bool) -> 'a list -> bool
val for_all2 : f:('a -> 'b -> bool) -> 'a list -> 'b list -> bool
val exists2 : f:('a -> 'b -> bool) -> 'a list -> 'b list -> bool
val mem : 'a -> set:'a list -> bool
val memq : 'a -> set:'a list -> bool
val find : f:('a -> bool) -> 'a list -> 'a
val filter : f:('a -> bool) -> 'a list -> 'a list
val find_all : f:('a -> bool) -> 'a list -> 'a list
val partition : f:('a -> bool) -> 'a list -> 'a list * 'a list
val assoc : 'a -> ('a * 'b) list -> 'b
val assq : 'a -> ('a * 'b) list -> 'b
val mem_assoc : 'a -> map:('a * 'b) list -> bool
val mem_assq : 'a -> map:('a * 'b) list -> bool
val remove_assoc : 'a -> ('a * 'b) list -> ('a * 'b) list
val remove_assq : 'a -> ('a * 'b) list -> ('a * 'b) list
val split : ('a * 'b) list -> 'a list * 'b list
val combine : 'a list -> 'b list -> ('a * 'b) list
val sort : cmp:('a -> 'a -> int) -> 'a list -> 'a list
val stable_sort : cmp:('a -> 'a -> int) -> 'a list -> 'a list
val fast_sort : cmp:('a -> 'a -> int) -> 'a list -> 'a list
val merge : cmp:('a -> 'a -> int) -> 'a list -> 'a list -> 'a list
end
module String :
sig
external length : string -> int = "%string_length"
external get : string -> int -> char = "%string_safe_get"
external set : string -> int -> char -> unit = "%string_safe_set"
external create : int -> string = "caml_create_string"
val make : int -> char -> string
val copy : string -> string
val sub : string -> pos:int -> len:int -> string
val fill : string -> pos:int -> len:int -> char -> unit
val blit :
src:string ->
src_pos:int -> dst:string -> dst_pos:int -> len:int -> unit
val concat : sep:string -> string list -> string
val iter : f:(char -> unit) -> string -> unit
val iteri : f:(int -> char -> unit) -> string -> unit
val map : f:(char -> char) -> string -> string
val trim : string -> string
val escaped : string -> string
val index : string -> char -> int
val rindex : string -> char -> int
val index_from : string -> int -> char -> int
val rindex_from : string -> int -> char -> int
val contains : string -> char -> bool
val contains_from : string -> int -> char -> bool
val rcontains_from : string -> int -> char -> bool
val uppercase : string -> string
val lowercase : string -> string
val capitalize : string -> string
val uncapitalize : string -> string
type t = string
val compare : t -> t -> int
external unsafe_get : string -> int -> char = "%string_unsafe_get"
external unsafe_set : string -> int -> char -> unit
= "%string_unsafe_set"
external unsafe_blit :
src:string ->
src_pos:int -> dst:string -> dst_pos:int -> len:int -> unit
= "caml_blit_string" "noalloc"
external unsafe_fill : string -> pos:int -> len:int -> char -> unit
= "caml_fill_string" "noalloc"
end
end`