chore: linter: intrange

Signed-off-by: Jakob Borg <jakob@kastelo.net>

cmd/infra/strelaypoolsrv/main.go

@@ -162,7 +162,7 @@ func main() {
 
 	testCert = createTestCertificate()
 
-	for i := 0; i < requestProcessors; i++ {
+	for range requestProcessors {
 		go requestProcessor(geoip)
 	}
 

cmd/infra/ursrv/serve/prometheus.go

@@ -47,7 +47,7 @@ func newMetricsSet(srv *server) *metricsSet {
 
 	var initForType func(reflect.Type)
 	initForType = func(t reflect.Type) {
-		for i := 0; i < t.NumField(); i++ {
+		for i := range t.NumField() {
 			field := t.Field(i)
 			if field.Type.Kind() == reflect.Struct {
 				initForType(field.Type)
@@ -175,7 +175,7 @@ func (s *metricsSet) addReport(r *contract.Report) {
 
 func (s *metricsSet) addReportStruct(v reflect.Value, gaugeVecs map[string][]string) {
 	t := v.Type()
-	for i := 0; i < v.NumField(); i++ {
+	for i := range v.NumField() {
 		field := v.Field(i)
 		if field.Kind() == reflect.Struct {
 			s.addReportStruct(field, gaugeVecs)

cmd/strelaysrv/status.go

@@ -122,7 +122,7 @@ func (r *rateCalculator) updateRates(interval time.Duration) {
 
 func (r *rateCalculator) rate(periods int) int64 {
 	var tot int64
-	for i := 0; i < periods; i++ {
+	for i := range periods {
 		tot += r.rates[i]
 	}
 	return tot / int64(periods)