code: func (l *Logger) Loge(level LogLevel, err error) {
  	if l.getLevel() <= level && err != nil {
  		l.getHandler().Log(l.name, level, err.Error(), 1)
  	}
  }
docs: // Loge logs an error value if the error is not nil and the logger's level
  // is the provided level or even more permissive.