code tweaks

pkg/weather/metrics_record.go

@@ -3,6 +3,7 @@ package weather
 import (
 	"context"
 	"errors"
+	"slices"
 
 	"github.com/rs/zerolog"
 	"go.opentelemetry.io/otel/attribute"
@@ -64,20 +65,10 @@ func (r *MetricRecorder) Record(opts *RecordOpts) {
 func (o *RecordOpts) keep() bool {
 	// If keep fields are given, only check keep fields
 	if len(o.Station.KeepMetrics) > 0 {
-		for _, f := range o.Station.KeepMetrics {
-			if f == o.Field {
-				return true
-			}
-		}
-		return false
+		return slices.Contains(o.Station.KeepMetrics, o.Field)
 	}
 
-	for _, f := range o.Station.DropMetrics {
-		if f == o.Field {
-			return false
-		}
-	}
-	return true
+	return !slices.Contains(o.Station.DropMetrics, o.Field)
 }
 
 func (r *MetricRecorder) recordInt(