title: How does making an Azure Function asynchronous affect the caller
body: <p>When Azure Function is declared to be async, how does it affect the client that calls it?</p>
  <p>Take an example of an Angular HTTP client that calls the Azure Function.   What is the difference if the Angular app calls asynchronous vs synchronous function?   Wouldn't the HTTP client object still wait for the response from the function in either case?</p>