title: Parse and return a list of doubles using ANTLR4
body: <p>How can I parse a file containing a decimal numbers into a <code>List&lt;double&gt;</code> in C# using ANTLR4? A complete, working example would illustrate how all the pieces go together.</p>
  
  <p>The input file looks like this:</p>
  
  <pre><code>12.34
  45.67
  89.10
  </code></pre>