B00_lines (b0.B00

val of_string : string -> string list

val fold : 
  ?file:B0_std.Fpath.t ->
  string ->
  (int -> string -> 'a -> 'a) ->
  'a ->
  ('a, string) result

val err : int -> ('a, Format.formatter, unit, 'b) format4 -> 'a

val err_file : ?file:B0_std.Fpath.t -> string -> ('a, string) result