cactuaroid

Hmm, I have been thinking about this. Maybe awaitable event is same as `IAsyncEnumerable`. Event is usually a sequence, not one time. What I'm thinking about is how to generate...

Finally I removed `AwaitableEvent` and replaced it with new [AsyncEnumerableEvent.cs](https://github.com/cactuaroid/GrpcWpfSample/blob/fcb9c05610e6be0791cc4483127e2f18d925b3e5/GrpcWpfSample.Common/AsyncEnumerableEvent.cs). I feel this represents awaitable event well, and this is Ix-Async topic. I'm closing this feature request. Thank you.

Thank you for the comment. Finally (again), I removed `AsyncEnumerableEvent` and replace it with `IObservable` for the event sequence side. On the consumer side, `IObservable.ToAsyncEnumerable()` so that gRPC method can...