w.typ(sig.results.vars[0].typ)
		return
	}

	// multiple or named result(s)
	w.tuple(sig.results, false)
}

// subscript returns the decimal (utf8) representation of x using subscript digits.
func subscript(x uint64) string {
	const w = len("₀") // all digits 0...9 have the same utf8 width
	var buf [32 * w]byte
	i := len(buf)
	for {
		i -= w

		w.typ(sig.results.vars[0].typ)
		return
	}

	// multiple or named result(s)
	w.tuple(sig.results, false)
}

// subscript returns the decimal (utf8) representation of x using subscript digits.
func subscript(x uint64) string {
	const w = len("₀") // all digits 0...9 have the same utf8 width
	var buf [32 * w]byte
	i := len(buf)
	for {
		i -= w

		check.markImports(imp)
	}
}

// stripAnnotations removes internal (type) annotations from s.
func stripAnnotations(s string) string {
	var buf strings.Builder
	for _, r := range s {
		// strip #'s and subscript digits
		if r < '₀' || '₀'+10 <= r { // '₀' == U+2080
			buf.WriteRune(r)
		}
	}
	if buf.Len() < len(s) {
		return buf.String()
	}
	return s

		check.markImports(imp)
	}
}

// stripAnnotations removes internal (type) annotations from s.
func stripAnnotations(s string) string {
	var buf strings.Builder
	for _, r := range s {
		// strip #'s and subscript digits
		if r < '₀' || '₀'+10 <= r { // '₀' == U+2080
			buf.WriteRune(r)
		}
	}
	if buf.Len() < len(s) {
		return buf.String()
	}
	return s

func (err Error) Error() string {
	return fmt.Sprintf("%s: %s", err.Pos, err.Msg)
}

// FullError returns an error string like Error, buy it may contain
// type-checker internal details such as subscript indices for type
// parameters and more. Useful for debugging.
func (err Error) FullError() string {
	return fmt.Sprintf("%s: %s", err.Pos, err.Full)
}

		declData: declData,
		pkgIndex: make(map[*types.Package]map[string]uint64),
		typCache: make(map[uint64]types.Type),
		// Separate map for typeparams, keyed by their package and unique
		// name (name with subscript).
		tparamIndex: make(map[ident]*types.TypeParam),

		fake: fakeFileSet{
			fset:  fset,
			files: make(map[string]*fileInfo),
		},
	}
	defer p.fake.setLines() // set lines for files in fset

								APIVersion: "v1",
								FieldPath:  "metadata.labels",
							},
						}, {
							Path: "labels with subscript",
							FieldRef: &core.ObjectFieldSelector{
								APIVersion: "v1",
								FieldPath:  "metadata.labels['key']",
							},
						}, {
							Path: "labels with complex subscript",
							FieldRef: &core.ObjectFieldSelector{
								APIVersion: "v1",

		return allErrs
	}

	if path, subscript, ok := fieldpath.SplitMaybeSubscriptedPath(internalFieldPath); ok {
		switch path {
		case "metadata.annotations":
			allErrs = append(allErrs, ValidateQualifiedName(strings.ToLower(subscript), fldPath)...)
		case "metadata.labels":
			allErrs = append(allErrs, ValidateQualifiedName(subscript, fldPath)...)
		default:

  let description = [{
Implements generalized Tensor contraction and reduction. Each input Tensor must
have a corresponding input subscript appearing in the comma-separated left-hand
side of the equation. The right-hand side of the equation consists of the
output subscript. The input subscripts and the output subscript should consist
of zero or more named axis labels and at most one ellipsis (`...`).

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