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Is there a way to 'cache'/share a Flow?  E.g. I have
```
flow { expensiveNetworkOperation() }
```
and I want to collect that flow repeatedly.  What's the best way to prevent duplicating the expensiveNetworkOperation() call?

I'd use maybe `ConflatedBroadcastChannel` instead, since that caches the latest value

interesting, ill look into that.  But I may have more than one value in the flow (e.g. a paginated network call)

looks like ArrayBroadcastChannel might be what I need

perhaps storing the relevant data outside in variables would also suit your need, initializing it lazily in the flow block

<https://github.com/Kotlin/kotlinx.coroutines/issues/1261>
and 
<https://github.com/Kotlin/kotlinx.coroutines/issues/1086>