module Seq:sig..end
type'at ='a CCGraph.sequence
val return : 'a -> 'a CCGraph.sequence
val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
val map : ('a -> 'b) -> 'a t -> 'b t
val filter_map : ('a -> 'b option) -> 'a t -> 'b t
val iter : ('a -> unit) -> 'a t -> unit
val fold : ('b -> 'a -> 'b) -> 'b -> 'a t -> 'b
val to_list : 'a t -> 'a list