title: Assigning wires deep in a nested set of modules
body: <p>I have a wire that is about 4 levels deep and I really don't want the hassle of having to propagate it up the hierarchy. Is there any way to assign the wire using some sort of referencing? I know I can access the wire by typing:</p>
  
  <pre><code>cca.cpu0.cca3_cpu.nc1_cp_checkpoint 
  </code></pre>
  
  <p>but </p>
  
  <pre><code>assign cca.cpu0.cca3_cpu.nc1_cp_checkpoint = checkpoint;
  </code></pre>
  
  <p>doesn't work</p>
  
  <p>Anyone know of any way to do it?</p>