micro/metrics/reporter.go

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package metrics
import "time"
// Tags is a map of fields to add to a metric:
type Tags map[string]string
// Reporter is the standard metrics interface:
type Reporter interface {
Count(metricName string, value int64, tags Tags) error
Gauge(metricName string, value float64, tags Tags) error
Timing(metricName string, value time.Duration, tags Tags) error
}