code: func Mounted(mountpoint string) (bool, error) {
  	entries, err := GetMounts(SingleEntryFilter(mountpoint))
  	if err != nil {
  		return false, err
  	}
  
  	return len(entries) > 0, nil
  }
docs: // Mounted determines if a specified mountpoint has been mounted.
  // On Linux it looks at /proc/self/mountinfo.