Function WriteJSONOnce

metrics/json.go:25–27

WriteJSONOnce writes metrics from the given registry to the specified io.Writer as JSON.

(r Registry, w io.Writer)

// WriteJSONOnce writes metrics from the given registry to the specified
// io.Writer as JSON.
func WriteJSONOnce(r Registry, w io.Writer) {
	json.NewEncoder(w).Encode(r)
}

func (p *PrefixedRegistry) MarshalJSON() ([]byte, error) {
	return json.Marshal(p.GetAll())