Fixed synchronous ConnectableObservable.connect problem #1175
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ConnectableObservable.connect returns a Subscription and thus cannot be unsubscribed synchronously, similar how take didn't work before the Subscriber changes. This PR modifies the
ConnectableObservable
and its current implementationOperatorMulticast
to extract the connection Subscription token before it is connected to the source. Cancelling this extracted token makes sure the synchronous connection is unsubscribed.(The Rx.NET version of the test case seemingly doesn't exhibit the problem. I suspect it is the interplay of
IDisposable
s.)