Sourceval apply : tag -> ('a list -> 'a) -> 'a t -> 'a t Sourceval union : ('a -> 'a -> 'a) -> 'a t -> 'a t -> 'a t Sourceval merge :
left:('a -> 'c) ->
both:('a -> 'b -> 'c) ->
right:('b -> 'c) ->
'a t ->
'b t ->
'c t Sourceval merge_all : ('a list -> 'a) -> 'a t list -> 'a t Sourceval unmark : ('a list -> 'a) -> 'a t -> 'a t Sourceval map : ('a -> 'b) -> 'a t -> 'b t Sourceval iter : (tag list -> 'a -> unit) -> 'a t -> unit Sourceval fold : (tag list -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b Sourceval exists : ('a -> bool) -> 'a t -> bool Sourceval for_all : ('a -> bool) -> 'a t -> bool Sourceval filter : ('a -> bool) -> 'a t -> 'a t