kubernetes/staging/src/k8s.io/kubectl/pkg/polymorphichelpers/mapbasedselectorforobject.go

// mapBasedSelectorForObject returns the map-based selector associated with the provided object. If a
// new set-based selector is provided, an error is returned if the selector cannot be converted to a
// map-based selector
func mapBasedSelectorForObject(object runtime.Object) (string, error) { … }

func MakeLabels(labels map[string]string) string { … }