1package provider 2 3import ( 4 "github.com/go-kit/kit/metrics" 5 "github.com/go-kit/kit/metrics/expvar" 6) 7 8type expvarProvider struct{} 9 10// NewExpvarProvider returns a Provider that produces expvar metrics. 11func NewExpvarProvider() Provider { 12 return expvarProvider{} 13} 14 15// NewCounter implements Provider. 16func (p expvarProvider) NewCounter(name string) metrics.Counter { 17 return expvar.NewCounter(name) 18} 19 20// NewGauge implements Provider. 21func (p expvarProvider) NewGauge(name string) metrics.Gauge { 22 return expvar.NewGauge(name) 23} 24 25// NewHistogram implements Provider. 26func (p expvarProvider) NewHistogram(name string, buckets int) metrics.Histogram { 27 return expvar.NewHistogram(name, buckets) 28} 29 30// Stop implements Provider, but is a no-op. 31func (p expvarProvider) Stop() {} 32