biocaml.lwt
Future_lwt.Writer
biocaml.base
biocaml.ez
biocaml.unix
type t = Lwt_io.output_channel
val with_file : ?perm:int -> ?append:bool -> string -> f:(t -> 'a Deferred.t) -> 'a Deferred.t
val write : t -> string -> unit Deferred.t
Following functions returned a Deferred.t, while in Async they return unit.
val write_char : t -> char -> unit Deferred.t
val write_line : t -> string -> unit Deferred.t