Method parse

src/linux/cgroups.cpp:1846–1864

Try<Device> Device::parse(const string& s)
{
  vector<string> device = strings::tokenize(s, ":");
  if (device.size() != 2) {
    return Error("Invalid major:minor device number: '" + s + "'");
  }

  Try<unsigned int> major = numify<unsigned int>(device[0]);
  if (major.isError()) {
    return Error("Invalid device major number: '" + device[0] + "'");
  }

  Try<unsigned int> minor = numify<unsigned int>(device[1]);
  if (minor.isError()) {
    return Error("Invalid device minor number: '" + device[1] + "'");
  }

  return Device(makedev(major.get(), minor.get()));
}


static bool isOperation(const string& s)