s=special>;</span>
</pre></blockquote>

<p>
The specification of <code>global_fun</code> obeys the following syntax:
</p>

<blockquote><pre>
<span class=identifier>global_fun</span><span class=special>&lt;</span><span class=identifier><i>(argument type)</i></span><span class=special>,</span><span class=identifier><i>(key type)</i></span><span class=special>,</span><span class=identifier><i>(pointer to function)</i></span><span class=special>&gt;</span>
</pre></blockquote>

<p>
where the argument type and ke