s the given number unchanged.</p>

<p>You can use the unary plus operator (<code>+</code>) to provide symmetry in your
code for positive numbers when also using the unary minus operator.</p>

<pre><code class="language-swift">let x = -21
let y = +21
// x == -21
// y == 21</code></pre>

<p><strong>Returns:</strong> The given argument without any changes.</p>

    <h4>Declaration</h4>    
    <code class="language-swift">prefix func +(x: Self) -&gt; Self</code>
    
        <h4>Declared In</h4>
        <a hre