nsumed by the call. Otherwise, returns <code>nil</code>.</p>

<p>See the <code>strtod (3)</code> man page for details of
the exact format accepted.</p>

    <h4>Declaration</h4>    
    <code class="language-swift">init?(_ text: String)</code>

    </div></div>
</div>

<h3>Static Variables</h3>
<div class="declaration" id="static-var-nan_-double">
<a class="toggle-link" data-toggle="collapse" href="#comment-static-var-nan_-double">static var NaN: Double</a><div class="comment collapse" id="comment-static-va