<pre class="shiki github-dark shaku"><code>type MyPartial&lt;T extends object&gt; = {[K in keyof T]+?: T[K] } // your code here, please don't use Partial&lt;T&gt;</code></pre>

krivovd solution

Partial<T> returns a type whichs represents all subsets of type T. Please implement MyPartial<T> by yourself. type Foo = { a: string b: number c: bool…