}

// AsValidatedSelector converts labels into a selectors.
// The Set is validated client-side, which allows to catch errors early.
func (ls Set) AsValidatedSelector() (Selector, error) {
	return ValidatedSelectorFromSet(ls)
}

// AsSelectorPreValidated converts labels into a selector, but
// assumes that labels are already validated and thus doesn't
// perform any validation.

	for _, tc := range tests {
		selector, err := ValidatedSelectorFromSet(tc.input)
		if diff := cmp.Diff(tc.expectedError.ToAggregate(), err, ignoreDetail); diff != "" {
			t.Errorf("ValidatedSelectorFromSet %#v returned unexpected error (-want,+got):\n%s", tc.name, diff)
		}
		if err == nil {
			if diff := cmp.Diff(tc.expectedSelector, selector); diff != "" {

func SelectorFromSet(ls Set) Selector {
	return SelectorFromValidatedSet(ls)
}

// ValidatedSelectorFromSet returns a Selector which will match exactly the given Set. A
// nil and empty Sets are considered equivalent to Everything().
// The Set is validated client-side, which allows to catch errors early.
func ValidatedSelectorFromSet(ls Set) (Selector, error) {
	if ls == nil || len(ls) == 0 {
		return internalSelector{}, nil
	}