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Update multisub.go

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forkfury 2025-12-09 19:38:40 +01:00 committed by GitHub
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7
event/multisub.go
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@ -19,6 +19,13 @@ package event
// JoinSubscriptions joins multiple subscriptions to be able to track them as // JoinSubscriptions joins multiple subscriptions to be able to track them as
// one entity and collectively cancel them or consume any errors from them. // one entity and collectively cancel them or consume any errors from them.
func JoinSubscriptions(subs ...Subscription) Subscription { func JoinSubscriptions(subs ...Subscription) Subscription {
// Handle empty subscription list to avoid blocking forever
if len(subs) == 0 {
return NewSubscription(func(unsubbed <-chan struct{}) error {
<-unsubbed
return nil
})
}
return NewSubscription(func(unsubbed <-chan struct{}) error { return NewSubscription(func(unsubbed <-chan struct{}) error {
// Unsubscribe all subscriptions before returning // Unsubscribe all subscriptions before returning
defer func() { defer func() {