title: ' << ' operator in verilog
body: <p>i have a verilog code in which there is a line as follows:</p>
  
  <pre><code>parameter ADDR_WIDTH = 8 ;
  parameter RAM_DEPTH = 1 &lt;&lt; ADDR_WIDTH;
  </code></pre>
  
  <p>here what will be stored in <code>RAM_DEPTH</code> and what does the <code>&lt;&lt;</code> operator do here.</p>