func math/rand.Intn

3 uses

	math/rand (current package)
		rand.go#L337: func Intn(n int) int { return globalRand.Intn(n) }

	github.com/go-redis/redis/v8
		sentinel.go#L439: 	return addresses[rand.Intn(len(addresses))], nil

	net/http
		server.go#L2744: 		interval := pollIntervalBase + time.Duration(rand.Intn(int(pollIntervalBase/10)))