Module type Indexed_container.S0

type t
type elt
val mem : t -> elt -> bool
val length : t -> int
val is_empty : t -> bool
val iter : t -> f:(elt -> unit) -> unit
val fold : t -> init:'acc -> f:('acc -> elt -> 'acc) -> 'acc
val fold_result : t -> init:'acc -> f:('acc -> elt -> ('acc, 'e) result) -> ('acc, 'e) result
val fold_until : t -> init:'acc -> f:('acc -> elt -> ('acc, 'final) Base__Container_intf.Continue_or_stop.t) -> finish:('acc -> 'final) -> 'final
val exists : t -> f:(elt -> bool) -> bool
val for_all : t -> f:(elt -> bool) -> bool
val count : t -> f:(elt -> bool) -> int
val sum : (module Base__Container_intf.Summable with type t = 'sum) -> t -> f:(elt -> 'sum) -> 'sum
val find : t -> f:(elt -> bool) -> elt option
val find_map : t -> f:(elt -> 'a option) -> 'a option
val to_list : t -> elt list
val to_array : t -> elt array
val min_elt : t -> compare:(elt -> elt -> int) -> elt option
val max_elt : t -> compare:(elt -> elt -> int) -> elt option
val foldi : t -> init:'a -> f:(int -> 'a -> elt -> 'a) -> 'a
val iteri : t -> f:(int -> elt -> unit) -> unit
val existsi : t -> f:(int -> elt -> bool) -> bool
val for_alli : t -> f:(int -> elt -> bool) -> bool
val counti : t -> f:(int -> elt -> bool) -> int
val findi : t -> f:(int -> elt -> bool) -> (int * elt) option
val find_mapi : t -> f:(int -> elt -> 'a option) -> 'a option