package pvem_lwt_unix

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type path = string
val write_file : path -> content:string -> (unit, [> `IO of [> `Write_file_exn of path * exn ] ]) Deferred_result.t
val read_file : path -> (string, [> `IO of [> `Read_file_exn of path * exn ] ]) Deferred_result.t
val with_out_channel : ?buffer_size:int -> f: (Lwt_io.output_channel -> ('a, [> `IO of [> `Exn of exn | `File_exists of string | `Wrong_path of string ] ] as 'b) Deferred_result.t) -> [ `Append_to_file of string | `Channel of Lwt_io.output_channel | `Create_file of string | `Overwrite_file of string | `Stderr | `Stdout ] -> ('a, 'b) Deferred_result.t
val write : Lwt_io.output_channel -> string -> (unit, [> `IO of [> `Exn of exn ] ]) Deferred_result.t
val flush : Lwt_io.output_channel -> (unit, [> `IO of [> `Exn of exn ] ]) Deferred_result.t
val with_in_channel : [ `Channel of Lwt_io.input_channel | `File of string | `Stdin ] -> ?buffer_size:int -> f: (Lwt_io.input_channel -> ('a, [> `IO of [> `Exn of exn ] ] as 'b) Deferred_result.t) -> ('a, 'b) Deferred_result.t
val read : ?count:int -> Lwt_io.input_channel -> (string, [> `IO of [> `Exn of exn ] ]) Deferred_result.t
val error_to_string : [< `IO of [< `Exn of exn | `File_exists of string | `Read_file_exn of string * exn | `Write_file_exn of string * exn | `Wrong_path of string ] ] -> string
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