package dokeysto

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type t

val open_existing : filename -> t

open_existing fn open in read-only mode the persistent hashtbl whose data are stored in file fn and whose index is stored in fn ^ ".idx".

val close : t -> unit

close db close the previously opened db.

val mem : t -> string -> bool

mem db k check if k is bound in db.

val find : t -> string -> string

find db k get the current binding of k in db or raise Not_found.

val iter : (string -> string -> unit) -> t -> unit

iter f db apply f to all key-value pairs in db. Cf. Hashtbl.iter for details.

val fold : (string -> string -> 'a -> 'a) -> t -> 'a -> 'a

fold f db init fold f over all key-value pairs in db. Cf. Hashtbl.fold for details.