title: I have a method that returns string however the variable is of type nullable boolean
body: <p>I get a build error in the following:</p>
  
  <pre><code>protected override string SHow()
  {
      return _type ? "Y" : "N";
  }
  </code></pre>
  
  <p><code>_type</code> is of type nullable bool. I get that "cannot convert from ?bool to bool.</p>
  
  <p>Could you please help resolve?</p>