sig type'a t = 'a list = [] | (::) of'a * 'a list val length : 'a list -> int val compare_lengths : 'a list ->'b list -> int val compare_length_with : 'a list -> len:int -> int val is_empty : 'a list -> bool val cons : 'a ->'a list ->'a list val singleton : 'a ->'a list val hd : 'a list ->'a val tl : 'a list ->'a list val nth : 'a list -> int ->'a val nth_opt : 'a list -> int ->'a option val rev : 'a list ->'a list val init : len:int -> f:(int ->'a) ->'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 equal : eq:('a ->'a -> bool) ->'a list ->'a list -> bool val compare : cmp:('a ->'a -> int) ->'a list ->'a list -> int 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 filter_map : f:('a ->'b option) ->'a list ->'b list val filter_mapi : f:(int ->'a ->'b option) ->'a list ->'b list val concat_map : f:('a ->'b list) ->'a list ->'b list val fold_left_map :
f:('acc ->'a ->'acc * 'b) -> init:'acc ->'a list ->'acc * 'b list val fold_left : f:('acc ->'a ->'acc) -> init:'acc ->'a list ->'acc val fold_right : f:('a ->'acc ->'acc) ->'a list -> init:'acc ->'acc 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:('acc ->'a ->'b ->'acc) -> init:'acc ->'a list ->'b list ->'acc val fold_right2 :
f:('a ->'b ->'acc ->'acc) ->'a list ->'b list -> init:'acc ->'acc 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 find_opt : f:('a -> bool) ->'a list ->'a option val find_index : f:('a -> bool) ->'a list -> int option val find_map : f:('a ->'b option) ->'a list ->'b option val find_mapi : f:(int ->'a ->'b option) ->'a list ->'b option val filter : f:('a -> bool) ->'a list ->'a list val find_all : f:('a -> bool) ->'a list ->'a list val filteri : f:(int ->'a -> bool) ->'a list ->'a list val take : int ->'a list ->'a list val drop : int ->'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 partition : f:('a -> bool) ->'a list ->'a list * 'a list val partition_map :
f:('a -> ('b, 'c) Stdlib.Either.t) ->'a list ->'b list * 'c list val assoc : 'a -> ('a * 'b) list ->'b val assoc_opt : 'a -> ('a * 'b) list ->'b option val assq : 'a -> ('a * 'b) list ->'b val assq_opt : 'a -> ('a * 'b) list ->'b option 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 split_map : f:('c ->'a * 'b) ->'c 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 sort_uniq : cmp:('a ->'a -> int) ->'a list ->'a list val merge : cmp:('a ->'a -> int) ->'a list ->'a list ->'a list val to_seq : 'a list ->'a Stdlib.Seq.t val of_seq : 'a Stdlib.Seq.t ->'a list end