# File lib/amalgalite/paths.rb, line 19
    def self.root_dir
      @root_dir ||= (
        path_parts = ::File.expand_path(__FILE__).split(::File::SEPARATOR)
        lib_index  = path_parts.rindex("lib")
        path_parts[0...lib_index].join(::File::SEPARATOR) + ::File::SEPARATOR
      )
      return @root_dir
    end