1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Package discard provides a no-op metrics backend.
package discard
import "github.com/go-kit/kit/metrics"
type counter struct{}
// NewCounter returns a new no-op counter.
func NewCounter() metrics.Counter { return counter{} }
// With implements Counter.
func (c counter) With(labelValues ...string) metrics.Counter { return c }
// Add implements Counter.
func (c counter) Add(delta float64) {}
type gauge struct{}
// NewGauge returns a new no-op gauge.
func NewGauge() metrics.Gauge { return gauge{} }
// With implements Gauge.
func (g gauge) With(labelValues ...string) metrics.Gauge { return g }
// Set implements Gauge.
func (g gauge) Set(value float64) {}
// Add implements metrics.Gauge.
func (g gauge) Add(delta float64) {}
type histogram struct{}
// NewHistogram returns a new no-op histogram.
func NewHistogram() metrics.Histogram { return histogram{} }
// With implements Histogram.
func (h histogram) With(labelValues ...string) metrics.Histogram { return h }
// Observe implements histogram.
func (h histogram) Observe(value float64) {}
|
