| 6f5f61 | 2018-09-12 | Henrik Grubbström (Grubba) | | <!doctype html>
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<h1>Method efun()</h1>
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<dt class='head--type'><span class='homogen--type'>Method</span>
<span class='homogen--name'><b>efun</b></span>
</dt>
<dd><p><code><code class='datatype'>bool</code> <b><span class='method'>constant</span>(</b><code class='datatype'>mixed</code> <code class='argument'>identifier</code><b>)</b></code><br>
<code><code class='deprecated'>__deprecated__</code> <code class='datatype'>bool</code> <b><span class='method'>efun</span>(</b><code class='datatype'>mixed</code> <code class='argument'>identifier</code><b>)</b></code></p></dd>
<dt class='head--doc'>Description</dt>
<dd class='body--doc'><p>Check whether the argument resolves to a constant or not.</p>
</dd>
<dt class='head--doc'>See also</dt>
<dd class='body--doc'><p><a class='ms reference' href='../cpp_3A_3A/constant.html'>#if</a>, <a class='ms reference' href='../cpp_3A_3A/defined.html'>defined()</a></p>
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