public function write($priority, $message) {
		$config = $this->_config + $this->_classes;

		return function($params) use ($config) {
			$params += ['timestamp' => strtotime('now')];
			$key = $config['key'];
			$key = is_callable($key) ? $key($params) : Text::insert($key, $params);

			$cache = $config['cache'];
			return $cache::write($config['config'], $key, $params['message'], $config['expiry']);
		};
	}