add check to see is extracted baggage values are nil, since the Values method can technically return nil

jamesmoessis · jamesmoessis · commit be8a45a33255 · 2025-04-28T15:32:41.000+10:00
diff --git a/propagation/baggage.go b/propagation/baggage.go
@@ -56,7 +56,7 @@ func extractSingleBaggage(parent context.Context, carrier TextMapCarrier) contex
 
 func extractMultiBaggage(parent context.Context, carrier MultiTextMapCarrier) context.Context {
 	bVals := carrier.Values(baggageHeader)
-	if len(bVals) == 0 {
+	if bVals == nil || len(bVals) == 0 {
 		return parent
 	}
 	members := make([]baggage.Member, 0)

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ func extractSingleBaggage(parent context.Context, carrier TextMapCarrier) contex`
`56`	`56`
`57`	`57`	`func extractMultiBaggage(parent context.Context, carrier MultiTextMapCarrier) context.Context {`
`58`	`58`	`bVals := carrier.Values(baggageHeader)`
`59`		`- if len(bVals) == 0 {`
	`59`	`+ if bVals == nil \|\| len(bVals) == 0 {`
`60`	`60`	`return parent`
`61`	`61`	`}`
`62`	`62`	`members := make([]baggage.Member, 0)`