Function EncodeLabels

pkg/chunk/json_helpers.go:32–50

Override Prometheus' labels.Labels encoder which goes via a map

(ptr unsafe.Pointer, stream *jsoniter.Stream)

// Override Prometheus' labels.Labels encoder which goes via a map
func EncodeLabels(ptr unsafe.Pointer, stream *jsoniter.Stream) {
	lbls := *(*labels.Labels)(ptr)

	stream.WriteObjectStart()
	first := true

	lbls.Range(func(l labels.Label) {
		if !first {
			stream.WriteMore()
		}
		first = false

		stream.WriteString(l.Name)
		stream.WriteRaw(`:`)
		stream.WriteString(l.Value)
	})

	stream.WriteObjectEnd()
}

func labelsIsEmpty(ptr unsafe.Pointer) bool {
	labelsPtr := *(*labels.Labels)(ptr)