`sig
val init : int -> f:(int -> 'a) -> 'a list
val iter : f:('a -> unit) -> 'a list -> unit
val iteri : f:(int -> 'a -> unit) -> 'a list -> unit
val map : f:('a -> 'b) -> 'a list -> 'b list
val mapi : f:(int -> '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 subset : cmp:('a -> 'b -> int) -> 'a list -> 'b list -> bool
val find : f:('a -> bool) -> 'a list -> 'a
val find_exn : f:('a -> bool) -> exn -> 'a list -> 'a
val findi : f:(int -> 'a -> bool) -> 'a list -> int * 'a
val rfind : f:('a -> bool) -> 'a list -> 'a
val filter : f:('a -> bool) -> 'a list -> 'a list
val filter_map : f:('a -> 'b option) -> 'a list -> 'b list
val find_all : f:('a -> bool) -> 'a list -> 'a list
val partition : f:('a -> bool) -> 'a list -> 'a list * 'a list
val remove_if : f:('a -> bool) -> 'a list -> 'a list
val take_while : f:('a -> bool) -> 'a list -> 'a list
val drop_while : f:('a -> bool) -> '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
module LExceptionless :
sig
val find : f:('a -> bool) -> 'a list -> 'a option
val rfind : f:('a -> bool) -> 'a list -> 'a option
val findi : f:(int -> 'a -> bool) -> 'a list -> (int * 'a) option
val split_at :
int ->
'a list -> [ `Invalid_argument of string | `Ok of 'a list * 'a list ]
val at : 'a list -> int -> [ `Invalid_argument of string | `Ok of 'a ]
val assoc : 'a -> ('a * 'b) list -> 'b option
val assoc_inv : 'b -> ('a * 'b) list -> 'a option
val assq : 'a -> ('a * 'b) list -> 'b option
end
end`