<pre class="shiki github-dark shaku"><code>// your code here, don't use Exclude&lt;T, E&gt; directly in your codetype MyExclude&lt;T, E extends string&gt; = T extends E ? never : T</code></pre>

This is my accepted solution

Exclude<T, K> returns a type by removing from T the union members that are assignable to K. Please implement MyExclude<T, K> by yourself. type Foo = '…