<map id="Metafunctions" name="Metafunctions">
<area shape="rect" id="node1" href="$db/d2c/a01501.xhtml" title="元操作。 " alt="" coords="5,81,124,108"/>
<area shape="rect" id="node2" href="$d6/df5/a01503.xhtml" title="类型特征操作。 " alt="" coords="422,5,575,32"/>
<area shape="rect" id="node4" href="$d2/dac/a01489.xhtml" title="散列扩展接口。 " alt="" coords="438,56,559,83"/>
<area shape="rect" id="node5" href="$d2/d21/a01484.xhtml" title="显式类型转换。 " alt="" coords="474,107,523,133"/>
<area shape="rect" id="node6" href="$db/d06/a01509.xhtml" title="元函数组合操作。 " alt="" coords="409,157,588,184"/>
</map>
