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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | (* $Id: netdb.mli 1003 2006-09-24 15:17:15Z gerd $
* ----------------------------------------------------------------------
*
*)
(* This is an internal interface of ocamlnet! Do not use outside! *)
(* This module manages persistent values (often lookup tables). These
* values can be stored in external files, or they can be initialized
* from string values.
*)
val read_db : string -> 'a
(* Reads the value with the given name, and returns it. This function
* does not cache the returned value, and the marshalled string is
* deserialized every time the function is called.
*
* First it is checked whether there was a set_db call, and if so,
* this value is unmarshalled and returned. Otherwise, it is checked
* whether there is a matching external file (unless file lookup is
* disabled), and if so, the file is loaded and unmarshalled.
* If neither of the two methods works, the function fails.
*)
val exists_db : string -> bool
(* Checks whether the named value is available, i.e. read_db would
* be able to find it
*)
val set_db : string -> string -> unit
(* Sets the persistent value with the given name (1st arg) to the
* passed value (2nd arg). The value must be marshalled as string.
*)
val disable_file_db : unit -> unit
(* Disables file lookup. *)
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