getUserStream should expose Flow<User>

[ZakTaccardi]

MathCoroutinesFlow/app/src/main/java/com/manuelvicnt/coroutinesflow/user/impl/UserRepository.kt

Lines 78 to 80 in e7ccced

	fun getUserStream(): ReceiveChannel<User> {
	return users.openSubscription()
	}

This should be a Flow<User>, as UserRepository exposes an API that returns multiple instances of T over time.

ConflatedBroadcastChannel is basically a Flow<T>, as subscribing to it is cold behavior (open a subscription when you start collecting, close it when you stop collecting).

Another downside of ReceiveChannel<T> here is that it leaks how you unsubscribe. Using for(user in getUserStream) to observe would leave an opened channel.