41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
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// Package discard provides a no-op metrics backend.
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package discard
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import "github.com/go-kit/kit/metrics"
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type counter struct{}
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// NewCounter returns a new no-op counter.
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func NewCounter() metrics.Counter { return counter{} }
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// With implements Counter.
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func (c counter) With(labelValues ...string) metrics.Counter { return c }
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// Add implements Counter.
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func (c counter) Add(delta float64) {}
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type gauge struct{}
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// NewGauge returns a new no-op gauge.
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func NewGauge() metrics.Gauge { return gauge{} }
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// With implements Gauge.
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func (g gauge) With(labelValues ...string) metrics.Gauge { return g }
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// Set implements Gauge.
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func (g gauge) Set(value float64) {}
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// Add implements metrics.Gauge.
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func (g gauge) Add(delta float64) {}
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type histogram struct{}
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// NewHistogram returns a new no-op histogram.
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func NewHistogram() metrics.Histogram { return histogram{} }
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// With implements Histogram.
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func (h histogram) With(labelValues ...string) metrics.Histogram { return h }
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// Observe implements histogram.
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func (h histogram) Observe(value float64) {}
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