title: how to install modules in haskell
body: <p>I want to run a haskell code that involves networking stuff.</p>
  
  <blockquote>
    <p>ghc firewall.hs</p>
  </blockquote>
  
  <p><strong>Error Message</strong></p>
  
  <pre><code>firewall.hs:1:8:
      Could not find module `Network.HTTP.Enumerator'
      Use -v to see a list of the files searched for.
  </code></pre>
  
  <p>can anyone tell me how to install module in haskell if this problem is related to that.</p>