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<div class="titlepage"><div><div><h4 class="title">
<a name="boost_typetraits.category.value_traits.relate"></a><a class="link" href="relate.html" title="Relationships Between Two Types">Relationships
Between Two Types</a>
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<p>
These templates determine the whether there is a relationship between two
types:
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<span class="bold"><strong>Synopsis:</strong></span>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">Base</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Derived</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_base_of.html" title="is_base_of">is_base_of</a><span class="special">;</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">Base</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Derived</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_virtual_base_of.html" title="is_virtual_base_of">is_virtual_base_of</a><span class="special">;</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">From</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">To</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_convertible.html" title="is_convertible">is_convertible</a><span class="special">;</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">U</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_same.html" title="is_same">is_same</a><span class="special">;</span>
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