postgres_exporter/pkg/servers/server_opt.go

package servers

import "github.com/prometheus/client_golang/prometheus"

type ServerOpt func(*Server)

// ServerWithLabels configures a set of labels.
func ServerWithLabels(labels prometheus.Labels) ServerOpt {
	return func(s *Server) {
		for k, v := range labels {
			s.labels[k] = v
		}
	}
}