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Fix close subscriber

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世界 2022-08-11 23:20:14 +08:00
parent 169983a8d7
commit 735372ab3c
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1 changed files with 9 additions and 0 deletions
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9
common/observable/subscriber.go
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@ -1,5 +1,9 @@
package observable package observable
import (
"os"
)
type Subscription[T any] <-chan T type Subscription[T any] <-chan T
type Subscriber[T any] struct { type Subscriber[T any] struct {
@ -20,6 +24,11 @@ func (s *Subscriber[T]) Emit(item T) {
} }
func (s *Subscriber[T]) Close() error { func (s *Subscriber[T]) Close() error {
select {
case <-s.done:
return os.ErrClosed
default:
}
close(s.done) close(s.done)
return nil return nil
} }