title: Type of conditional expression cannot be determined because there is no implicit conversion between 'int' and <null>
body: <p>Why does this not compile?</p>
  
  <pre><code>int? number = true ? 5 : null;
  </code></pre>
  
  <blockquote>
    <p>Type of conditional expression cannot be determined because there is no implicit conversion between 'int' and &lt;null&gt;</p>
  </blockquote>