Request.IO
type 'a t = 'a Lwt.t
val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
val return : 'a -> 'a t
type ic
type oc = Lwt_io.output_channel
type conn = Conduit_lwt_unix.flow
val refill : ic -> [ `Eof | `Ok ] t
val with_input_buffer : ic -> f:(string -> pos:int -> len:int -> 'a * int) -> 'a
val read_line : ic -> string option t
val read : ic -> int -> string t
val write : oc -> string -> unit t
val flush : oc -> unit t