val foldi : 'a t -> init:'b -> f:( int -> 'b -> 'a -> 'b t ) -> 'b t
val fold : 'a t -> init:'b -> f:( 'b -> 'a -> 'b t ) -> 'b t
val fold_map :
'a t ->
init:'b ->
f:( 'b -> 'a -> ('b * 'c) t ) ->
('b * 'c t) t
val all : 'a t t -> 'a t t
val all_unit : unit t t -> unit t
val init : int -> f:( int -> 'a t ) -> 'a t t
val iter : 'a t -> f:( 'a -> unit t ) -> unit t
val iteri : 'a t -> f:( int -> 'a -> unit t ) -> unit t
val map : 'a t -> f:( 'a -> 'b t ) -> 'b t t
val mapi : 'a t -> f:( int -> 'a -> 'b t ) -> 'b t t