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<div class="line"><code class="jet jet-comment">//&nbsp;Return&nbsp;type&nbsp;mandatory</code>&nbsp;</div>
<div class="line"><code class="jet whitespace"></code><code class="jet keyword">fun</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">sum</code><code class="jet plain">(</code><code class="jet plain">a</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">:</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">Int</code><code class="jet plain">,</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">b</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">:</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">Int</code><code class="jet plain">)</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">:</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">Int</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">{</code>&nbsp;</div>
<div class="line"><code class="jet whitespace">&nbsp;&nbsp;</code><code class="jet keyword">return</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">a</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">+</code><code class="jet whitespace">&nbsp;</code><code class="jet plain">b</code>&nbsp;</div>
<div class="line"><code class="jet whitespace"></code><code class="jet plain">}</code></div></div></div></div>