Fix the bug that BlockingObservable.singleOrDefault doesn't call unsubscribe#1260
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benjchristensen merged 1 commit intoReactiveX:masterfrom May 27, 2014
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Why do you need to map with the identity function here?
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Because o is Observable<? extends T> and I cannot call singleOrDefault(T) on it directly.
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Does that mean that XXXOrDefault have to be covariant as well :-(
public T singleOrDefault(T defaultValue)
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Observable<T> singleOrDefault(T defaultValue) also need to
However, I cannot write <U super T> Observable<U> singleOrDefault(U defaultValue) in Java :(
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This covariance stuff is insane.
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Merge pull request #1260
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BlockingObservable.singleOrDefaultdoesn't callunsubscribewhen throwsIllegalArgumentException("Sequence contains too many elements").testSingleOrDefaultUnsubscribeproves this bug.