Parameter Convenience.1-X
val eval : 'a -> 'a -> ('a, 'a) t -> [ `Await of ('a, 'a) t | `Flush of ('a, 'a) t | `End of ('a, 'a) t | `Error of ('a, 'a) t * error ]
val finish : ('a, 'a) t -> ('a, 'a) t
val no_flush : int -> int -> ('a, 'a) t -> ('a, 'a) t
val flush_of_meth : meth -> int -> int -> ('a, 'a) t -> ('a, 'a) t
val flush : int -> int -> ('a, 'a) t -> ('a, 'a) t
val used_out : ('a, 'a) t -> int