module type Generic_phantom = sig .. end
type ('a, 'phantom) t
type 'a elt
val mem : ?equal:('a elt ->
'a elt -> bool) ->
('a, 'b) t ->
'a elt -> bool
val length : ('a, 'b) t -> int
val is_empty : ('a, 'b) t -> bool
val iter : ('a, 'b) t ->
f:('a elt -> unit) -> unit
val fold : ('a, 'b) t ->
init:'accum ->
f:('accum -> 'a elt -> 'accum) -> 'accum
val exists : ('a, 'b) t ->
f:('a elt -> bool) -> bool
val for_all : ('a, 'b) t ->
f:('a elt -> bool) -> bool
val count : ('a, 'b) t ->
f:('a elt -> bool) -> int
val find : ('a, 'b) t ->
f:('a elt -> bool) ->
'a elt option
val find_map : ('a, 'c) t ->
f:('a elt -> 'b option) -> 'b option
val to_list : ('a, 'b) t -> 'a elt list
val to_array : ('a, 'b) t ->
'a elt array