fix(hangup): set cancel reason nullable (#346)

shp-alexander-berger · web-flow · commit 1f7a3e683229 · 2023-02-23T17:32:15.000+08:00
Co-authored-by: Alexander Berger &lt;alexander@appmotion.de&gt;
diff --git a/lib/src/sip_message.dart b/lib/src/sip_message.dart
@@ -309,7 +309,7 @@ class InitialOutgoingInviteRequest extends OutgoingRequest {
     transaction = null;
   }
 
-  void cancel(String reason) {
+  void cancel(String? reason) {
     transaction.cancel(reason);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -309,7 +309,7 @@ class InitialOutgoingInviteRequest extends OutgoingRequest {`
`309`	`309`	`transaction = null;`
`310`	`310`	`}`
`311`	`311`
`312`		`- void cancel(String reason) {`
	`312`	`+ void cancel(String? reason) {`
`313`	`313`	`transaction.cancel(reason);`
`314`	`314`	`}`
`315`	`315`