Struct Registry

prometheus/registry.go:260–267

Registry registers Prometheus collectors, collects their metrics, and gathers them into MetricFamilies for exposition. It implements Registerer, Gatherer, and Collector. The zero value is not usable. Create instances with NewRegistry or NewPedanticRegistry. Registry implements Collector to allow it

// Registry implements Collector to allow it to be used for creating groups of
// metrics. See the Grouping example for how this can be done.
type Registry struct {
	mtx                   sync.RWMutex
	collectorsByID        map[uint64]Collector // ID is a hash of the descIDs.
	descIDs               map[uint64]struct{}
	dimHashesByName       map[string]uint64
	uncheckedCollectors   []Collector
	pedanticChecksEnabled bool
}

// Register implements Registerer.
func (r *Registry) Register(c Collector) error {