func setLabel()

in internal/telemetry/metric_exporter.go [274:303]

• 30 lines of code
• 11 McCabe index (conditional complexity)

func setLabel(key string, event *modelpb.APMEvent, v interface{}) {
	switch v := v.(type) {
	case string:
		modelpb.Labels(event.Labels).Set(key, v)
	case bool:
		modelpb.Labels(event.Labels).Set(key, strconv.FormatBool(v))
	case float64:
		modelpb.NumericLabels(event.NumericLabels).Set(key, v)
	case int64:
		modelpb.NumericLabels(event.NumericLabels).Set(key, float64(v))
	case []interface{}:
		if len(v) == 0 {
			return
		}
		switch v[0].(type) {
		case string:
			value := make([]string, len(v))
			for i := range v {
				value[i] = v[i].(string)
			}
			modelpb.Labels(event.Labels).SetSlice(key, value)
		case float64:
			value := make([]float64, len(v))
			for i := range v {
				value[i] = v[i].(float64)
			}
			modelpb.NumericLabels(event.NumericLabels).SetSlice(key, value)
		}
	}
}