Std

`sig val input_lines : Pervasives.in_channel -> string Enum.t val input_chars : Pervasives.in_channel -> char Enum.t val input_list : Pervasives.in_channel -> string list val input_all : Pervasives.in_channel -> string val print_bool : bool -> unit val prerr_bool : bool -> unit val input_file : ?bin:bool -> string -> string val output_file : filename:string -> text:string -> unit val string_of_char : char -> string external identity : 'a -> 'a = "%identity" val unique : unit -> int val dump : 'a -> string val print : 'a -> unit val finally : (unit -> unit) -> ('a -> 'b) -> 'a -> 'b end`