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
	}

	// if we're not already namespace-scoped, see if the field selector narrows the scope of the watch
	if requestNamespace, _ := genericapirequest.NamespaceFrom(ctx); len(requestNamespace) == 0 {
		if selectorNamespace, ok := p.MatchesSingleNamespace(); ok {
			if len(validation.ValidateNamespaceName(selectorNamespace, false)) == 0 {
				ctx = genericapirequest.WithNamespace(ctx, selectorNamespace)
			}
		}
	}