Parameter Make_gen_with_creators.T

type ('a, 'phantom) t
type 'a elt
val fold : ('a, 'phantom) t -> init:'acc -> f:('acc -> 'a elt -> 'acc) -> 'acc
val iter : [ `Custom of ('a, 'phantom) t -> f:('a elt -> unit) -> unit | `Define_using_fold ]
val length : [ `Custom of ('a, 'phantom) t -> int | `Define_using_fold ]
type (_, _) concat
val of_list : 'a elt list -> ('a, 'b) t
val of_array : 'a elt array -> ('a, 'b) t
val concat : (('a, 'b) t, 'c) concat -> ('a, 'd) t
val concat_of_array : 'a array -> ('a, 'b) concat