ss="special">,</span> <span class="keyword">const</span> <span class="identifier">Map</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre>
<p>Converts from another set of bindings.</p>
<p>

</p>
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<td><p><span class="term">Requires:</span></p></td>
<td><p>Map must be an MPL map with an entry for each placehold