Remove listener when job is completed

df1fbbe2 · Him188 · 074236ce · df1fbbe2
Commit df1fbbe2 authored Mar 21, 2020 by Him188
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Showing with 6 additions and 1 deletion

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt .../net.mamoe.mirai/event/internal/InternalEventListeners.kt +6 -1

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--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt
@@ -26,7 +26,12 @@ val EventLogger: MiraiLoggerWithSwitch = DefaultLogger("Event").withSwitch(false

 @MiraiInternalAPI
 fun <L : Listener<E>, E : Event> KClass<out E>.subscribeInternal(listener: L): L {
-    this.listeners().addLast(listener)
+    with(this.listeners()) {
+        addLast(listener)
+        listener.invokeOnCompletion {
+            this.remove(listener)
+        }
+    }
    return listener
 }