title: How to create Flux from Mono
body: <p>I have a Mono A. The Object A contains two lists. I want to create direct two Flux. Is this possible without block()?</p>
  
  <pre><code>Mono&lt;A&gt; a = ... ;
  
  Flux&lt;AList1&gt; a1 =  Flux.fromIterable(a.block().getList1());
  </code></pre>