Dir (b0.B0_std.Os.Dir)

val exists : Fpath.t -> (bool, string) result

val must_exist : Fpath.t -> (unit, string) result

val create : ?mode:int -> make_path:bool -> Fpath.t -> (bool, string) result

val fold : 
  ?rel:bool ->
  ?dotfiles:bool ->
  ?follow_symlinks:bool ->
  ?prune:(Unix.stats -> string -> Fpath.t -> 'a -> bool) ->
  recurse:bool ->
  (Unix.stats -> string -> Fpath.t -> 'a -> 'a) ->
  Fpath.t ->
  'a ->
  ('a, string) result

val fold_files : 
  ?rel:bool ->
  ?dotfiles:bool ->
  ?follow_symlinks:bool ->
  ?prune:(Unix.stats -> string -> Fpath.t -> 'a -> bool) ->
  recurse:bool ->
  (Unix.stats -> string -> Fpath.t -> 'a -> 'a) ->
  Fpath.t ->
  'a ->
  ('a, string) result

val fold_dirs : 
  ?rel:bool ->
  ?dotfiles:bool ->
  ?follow_symlinks:bool ->
  ?prune:(Unix.stats -> string -> Fpath.t -> 'a -> bool) ->
  recurse:bool ->
  (Unix.stats -> string -> Fpath.t -> 'a -> 'a) ->
  Fpath.t ->
  'a ->
  ('a, string) result

val path_list : Unix.stats -> string -> Fpath.t -> Fpath.t list -> Fpath.t list

val copy : 
  ?rel:bool ->
  ?atomic:bool ->
  ?follow_symlinks:bool ->
  ?prune:(Unix.stats -> string -> Fpath.t -> bool) ->
  make_path:bool ->
  recurse:bool ->
  src:Fpath.t ->
  Fpath.t ->
  (unit, string) result

val cwd : unit -> (Fpath.t, string) result

val set_cwd : Fpath.t -> (unit, string) result

val with_cwd : Fpath.t -> (unit -> 'a) -> ('a, string) result

val default_tmp : unit -> Fpath.t

val set_default_tmp : Fpath.t -> unit

val with_tmp : 
  ?mode:int ->
  ?make_path:bool ->
  ?dir:Fpath.t ->
  ?name:Path.tmp_name ->
  (Fpath.t -> 'a) ->
  ('a, string) result

val tmp : 
  ?mode:int ->
  ?make_path:bool ->
  ?dir:Fpath.t ->
  ?name:Path.tmp_name ->
  unit ->
  (Fpath.t, string) result

val user : unit -> (Fpath.t, string) result

val config : unit -> (Fpath.t, string) result

val data : unit -> (Fpath.t, string) result

val cache : unit -> (Fpath.t, string) result

val runtime : unit -> (Fpath.t, string) result