>result&lt;&gt;</code>:</p>

<div class="code-snippet"><div class="highlight"><pre class="chroma"><code class="language-c++" data-lang="c++"><span class="k">auto</span> <span class="nf">f</span><span class="p">()</span> <span class="o">-&gt;</span> <span class="kt">int</span><span class="p">;</span>  <span class="c1">// throws on failure
</span><span class="c1"></span><span class="k">auto</span> <span class="nf">g</span><span class="p">()</span> <span class="k">noexcept</span> <span class="o">-&gt;</span> <