Question: what guaranties that `await` is called i...

# coroutines

[voddan]

Question: what guaranties that await is called inside an async block? There used to be such a guaranty, but now I don't see it. I was looking at https://github.com/Kotlin/kotlinx.coroutines/blob/master/kotlinx-coroutines-async/src/main/kotlin/async.kt#L96