r.Answers[0].Body = &dnsmessage.AAAAResource{AAAA: TestAddr6}
			case dnsmessage.TypeTXT:
				r.Answers[0].Body = &dnsmessage.TXTResource{TXT: []string{"."}}
			case dnsmessage.TypeMX:
				r.Answers[0].Body = &dnsmessage.MXResource{
					MX: dnsmessage.MustNewName("go.dev."),
				}
			case dnsmessage.TypeNS:
				r.Answers[0].Body = &dnsmessage.NSResource{
					NS: dnsmessage.MustNewName("go.dev."),
				}

	if len(m.Questions) > 0 {
		s += m.Questions[0].GoString()
		for _, q := range m.Questions[1:] {
			s += ", " + q.GoString()
		}
	}
	s += "}, Answers: []dnsmessage.Resource{"
	if len(m.Answers) > 0 {
		s += m.Answers[0].GoString()
		for _, a := range m.Answers[1:] {
			s += ", " + a.GoString()
		}
	}
	s += "}, Authorities: []dnsmessage.Resource{"
	if len(m.Authorities) > 0 {

T("  -s	use stack instead of malloc\n");
T("  -x	do not repeat successful tests with REG_NOSUB\n");
T("  -v	list each test line\n");
T("  -A	list failed test lines with actual answers\n");
T("  -B	list all test lines with actual answers\n");
T("  -F	list failed test lines\n");
T("  -P	list passed test lines\n");
T("  -S	output one summary line\n");
T("\n");
T("INPUT FORMAT\n");

maintainers:
- login: tiangolo
  answers: 1885
  prs: 577
  avatarUrl: https://avatars.githubusercontent.com/u/1326112?u=740f11212a731f56798f558ceddb0bd07642afa7&v=4
  url: https://github.com/tiangolo
experts:
- login: Kludex
  count: 608
  avatarUrl: https://avatars.githubusercontent.com/u/7353520?u=62adc405ef418f4b6c8caa93d3eb8ab107bc4927&v=4
  url: https://github.com/Kludex
- login: dmontagu
  count: 241

	case "[]string", "[]*string":
		return "string"
	case "[]int32", "[]*int32":
		return "integer"

	default:
		return typeName
	}
}

// defaultStorageMetadata provides default answers to rest.StorageMetadata.
type defaultStorageMetadata struct{}

// defaultStorageMetadata implements rest.StorageMetadata
var _ rest.StorageMetadata = defaultStorageMetadata{}

const (
	CMPlt = Cmp(-1)
	CMPeq = Cmp(0)
	CMPgt = Cmp(1)
)

// Compare compares types for purposes of the SSA back
// end, returning a Cmp (one of CMPlt, CMPeq, CMPgt).
// The answers are correct for an optimizer
// or code generator, but not necessarily typechecking.
// The order chosen is arbitrary, only consistency and division
// into equivalence classes (Types that compare CMPeq) matters.

			d1 >>= 1
		}
		r = Duration(u0)
	}

	if neg && r != 0 {
		// If input was negative and not an exact multiple of d, we computed q, r such that
		//	q*d + r = -t
		// But the right answers are given by -(q-1), d-r:
		//	q*d + r = -t
		//	-q*d - r = t
		//	-(q-1)*d + (d - r) = t
		qmod2 ^= 1
		r = d - r
	}
	return

				return pathSet{}, true, m, true
			}
			// A main module can only be set to its own version.
			continue
		}

		vr, ok := r.resolvedVersion[m.Path]
		if !ok {
			// m is a viable answer to the query, but other answers may also
			// still be viable.
			filtered.pkgMods = append(filtered.pkgMods, m)
			continue
		}

		if vr.version != m.Version {

}

// The expected results below were computed by the high precision calculators
// at https://keisan.casio.com/.  More exact input values (array vf[], above)
// were obtained by printing them with "%.26f".  The answers were calculated
// to 26 digits (by using the "Digit number" drop-down control of each
// calculator).
var acos = []float64{
	1.0496193546107222142571536e+00,
	6.8584012813664425171660692e-01,

def is_cygwin():
  return platform.system().startswith('CYGWIN_NT')


def get_input(question):
  try:
    try:
      answer = raw_input(question)
    except NameError:
      answer = input(question)  # pylint: disable=bad-builtin
  except EOFError:
    answer = ''
  return answer


def symlink_force(target, link_name):
  """Force symlink, equivalent of 'ln -sf'.

  Args: