code: func MustParse(s string) CPUSet {
  	res, err := Parse(s)
  	if err != nil {
  		klog.Fatalf("unable to parse [%s] as CPUSet: %v", s, err)
  	}
  	return res
  }
docs: // MustParse CPUSet constructs a new CPU set from a Linux CPU list formatted
  // string. Unlike Parse, it does not return an error but rather panics if the
  // input cannot be used to construct a CPU set.