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<title>The HTMLTidy library - Boost.Outcome documentation</title>
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  <div class="titlepage"><div><div><h1 style="clear: both">The HTMLTidy library</h1></div></div></div>
  <div class="code-snippet"><div class="highlight"><pre class="chroma"><code class="language-c++" data-lang="c++"><span class="c1">// There actually is a library for tidying HTML into XHTML called HTMLTidy
</span><span class="c1">// See http://www.html-tidy.org/
</span><span class="c1">// HTMLTidy is actually a great tool for dealing with 1990s-era tag soup
</span><span class="c1">// HTML, I highly recommend it.
</span><span class="c1"></span>
<span class="c1">// This isn&#39;t the API for Tidy, but let&#39;s assume it&#39;s a C library returning
</span><span class="c1">// errno domained error codes. out must be freed with free() after use.
</span><span class="c1"></span><span class="k">extern</span> <span class="s">&#34;C&#34;</span> <span class="kt">int</span> <span class="n">tidy_html</span><span class="p">(</span><span class="kt">char</span> <span class="o">**</span><span class="n">out</span><span class="p">,</span> <span class="n">size_t</span> <span class="o">*</span><span class="n">outlen</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">in</span><span class="p">,</span> <span class="n">size_t</span> <span class="n">inlen</span><span class="p">);</span>
</code></pre></div><a href="https://github.com/boostorg/outcome/tree/master/doc/src/snippets/finale.cpp#L147" class="code-snippet-url" target="_blank">View this code on Github</a></div>


<p>A C API may not initially appear to be a <code>T|E</code> based API, but if failure
returns some domained error code and causes no other effects, and success
returns some value, then it is effectively a &ldquo;split&rdquo; <code>T|E</code> API. The above
is an example of exactly that form of &ldquo;split&rdquo; <code>T|E</code> API.</p>


        </div><p><small>Last revised: February 08, 2019 at 22:18:08 UTC</small></p>
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