// assignEventMetric updates the "Metric" fields of the underlying protobuf Event type based on the type of value provided
func assignEventMetric(e *proto.Event, v interface{}) error {
switch x := v.(type) {
case nil:
// do nothing; an event without a metric is legitimate
case int:
i := int64(x)
e.MetricSint64 = &i
case int32:
i := int64(x)
e.MetricSint64 = &i
case int64:
e.MetricSint64 = &x
case float32:
e.MetricF = &x
case float64:
e.MetricD = &x
default:
return fmt.Errorf("Metric of invalid type (type %T)", v)
}
return nil
}
