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| 5a2c0a | 2021-05-12 | Henrik Grubbström (Grubba) | | <a href="../../ex/cpp_3A_3A/_23elifndef.html" class="prev"><span>➤</span> #elifndef</a>
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| 6f5f61 | 2018-09-12 | Henrik Grubbström (Grubba) | | <a href="../../ex/cpp_3A_3A/_23elseif.html" class="next">#elseif <span>➤</span></a>
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<h1>Directive #else</h1>
<hr />
<dl class='group--doc'>
<dt class='head--type'><span class='homogen--type'>Directive</span>
<span class='homogen--name'><b>#else</b></span>
</dt>
<dd><p><code class='directive'>#else</code></p></dd>
<dt class='head--doc'>Description</dt>
<dd class='body--doc'><p>This directive is used to divide the current code block into another
code block with inverse activation.</p>
</dd>
<dt class='head--doc'>Example</dt>
<dd class='example'><pre><pre><code>#ifdef FAST_ALGORITHM
do_fast_algorithm();
#elif defined(EXPERIMENTAL_ALGORITHM)
do_experimental_algorithm();
#else
do_default_algorithm();
#endif</code></pre></pre></dd></dl>
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