Linol_lwt.IO_lwt
type 'a t = 'a Lwt.t
val return : 'a -> 'a t
val failwith : string -> 'a t
type in_channel = Lwt_io.input Lwt_io.channel
type out_channel = Lwt_io.output Lwt_io.channel
val stdin : env -> in_channel
val stdout : env -> out_channel
val read : in_channel -> bytes -> int -> int -> unit t
val read_line : in_channel -> string t
val write : out_channel -> bytes -> int -> int -> unit t
val write_string : out_channel -> string -> unit t
val fail : exn -> Stdlib.Printexc.raw_backtrace -> unit t
val catch :
(unit -> 'a t) ->
(exn -> Stdlib.Printexc.raw_backtrace -> 'a t) ->
'a t