IBase.LineReaderModule to read specific lines from files. The data from any file will stay in memory until the handle is collected by the gc
val create : unit -> tval from_loc : t -> Location.t -> string optionget the line from a location looking for the copy of the file in the results dir
val iteri : t -> SourceFile.t -> f:(int -> string -> unit) -> unititerate on the lines of the file, with line numbers