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Library
Module
Module type
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Class
Class type
type 'a t = 'a IO_lwt.t
val return : 'a -> 'a t
val failwith : string -> 'a t
type in_channel = IO_lwt.in_channel
type out_channel = IO_lwt.out_channel
val stdin : in_channel
val stdout : 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 -> unit t