# Module UnixPath

    module UnixPath: sig .. end

    include CommonPath

    val dir_writer : FilePath_type.filename_part list -> string

    val dir_reader : string -> FilePath_type.filename_part list

    val path_writer : string list -> string

    val path_reader : string -> string list

    val fast_concat : string -> string -> string

    val fast_basename : string -> string

    val fast_dirname : string -> string

    val fast_is_relative : string -> bool

    val fast_is_current : string -> bool

    val fast_is_parent : string -> bool