<span class="hljs-comment">/**
* Arrow functions
*/</span>
<span class="hljs-variable">$fn1</span> = <span class="hljs-function"><span class="hljs-keyword">fn</span>(<span class="hljs-params"><span class="hljs-variable">$x</span></span>) =></span> <span class="hljs-variable">$x</span> + <span class="hljs-variable">$y</span>;
<span class="hljs-variable">$fn2</span> = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"><span class="hljs-variable">$x</span></span>) <span class="hljs-keyword">use</span> (<span class="hljs-params"><span class="hljs-variable">$y</span></span>) </span>{
<span class="hljs-keyword">return</span> <span class="hljs-variable">$x</span> + <span class="hljs-variable">$y</span>;
};
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