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Reuse RxJava built-in disposed Disposable #1841

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Mar 4, 2020
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Reuse RxJava built-in disposed Disposable #1841

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7 changes: 1 addition & 6 deletions reactive/kotlinx-coroutines-rx2/src/RxConvert.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -100,12 +100,7 @@ public fun <T: Any> ObservableSource<T>.asFlow(): Flow<T> = callbackFlow {
}

subscribe(observer)
awaitClose { disposableRef.getAndSet(Disposed)?.dispose() }
}

private object Disposed : Disposable {
override fun isDisposed() = true
override fun dispose() = Unit
awaitClose { disposableRef.getAndSet(Disposables.disposed())?.dispose() }
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I treated this private object Disposed as a private "token" similarly to DisposableHelper.DISPOSED in Rx itself (they have the warning there "don't leak it"), but here I didn't do compareAndSet(Disposed, ...) because comparing to initial null was enough, so I think your change is correct.

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Yep. Just trying to save APK size anywhere I can by reusing existing stuff.

}

/**
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