something like ``` public suspend fun <T> Ve...

# coroutines

[kirillrakhman]

something like

public suspend fun <T> Vertex.await() : T = suspendCoroutine { c ->
    sendMsg(...)... { callbackArg ->
       //... callback handler... 
       if (success) { c.resume(it) }
       else { c.resumeWithException(exceptionMsg) } 
}