class Redis::Client

def _parse_driver(driver)
  driver = driver.to_s if driver.is_a?(Symbol)
  if driver.kind_of?(String)
    begin
      require "redis/connection/#{driver}"
      driver = Connection.const_get(driver.capitalize)
    rescue LoadError, NameError
      raise RuntimeError, "Cannot load driver #{driver.inspect}"
    end
  end
  driver
end