if matched && s.Field != nil {
		matched = (matched && s.Field.Matches(f))
	}
	return matched
}

// MatchesSingleNamespace will return (namespace, true) if and only if s.Field matches on the object's
// namespace.
func (s *SelectionPredicate) MatchesSingleNamespace() (string, bool) {
	if len(s.Continue) > 0 || s.Field == nil {
		return "", false
	}