Module type Container.S0_phantom

module type S0_phantom = sig .. end

type elt 

type 'a t 

val mem : ?equal:(elt -> elt -> bool) ->
       'a t -> elt -> bool

val length : 'a t -> int

val is_empty : 'a t -> bool

val iter : 'a t -> f:(elt -> unit) -> unit

val fold : 'a t ->
       init:'accum -> f:('accum -> elt -> 'accum) -> 'accum

val exists : 'a t -> f:(elt -> bool) -> bool

val for_all : 'a t -> f:(elt -> bool) -> bool

val count : 'a t -> f:(elt -> bool) -> int

val find : 'a t ->
       f:(elt -> bool) -> elt option

val find_map : 'b t ->
       f:(elt -> 'a option) -> 'a option

val to_list : 'a t -> elt list

val to_array : 'a t -> elt array