title: print readable variables with golang
body: <p>How to print a map, struct or whatever in a readable way?</p>
  
  <p>With PHP you can to this</p>
  
  <pre><code>echo '&lt;pre&gt;';
  print_r($var);
  echo '&lt;/pre&gt;';
  </code></pre>
  
  <p>or</p>
  
  <pre><code>header('content-type: text/plain');
  print_r($var);
  </code></pre>