span> <span class='op'>||</span> {
            <span class='kw'>let</span> <span class='ident'>answer</span> <span class='op'>=</span> <span class='ident'>i</span> <span class='op'>*</span> <span class='ident'>i</span>;

            <span class='ident'>tx</span>.<span class='ident'>send</span>(<span class='ident'>answer</span>).<span class='ident'>unwrap</span>();
        });
    }

    <span class='kw'>for</span> _ <span class='kw'>in</span> <span class='number'>0</span>..<span class='number'>10</span> {
 