ogram::axis::category — Maps at a set of unique values to bin indices. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../histogram/reference.html#header.boost.histogram.axis.category_hpp" title="Header &lt;boost/histogram/axis/category.hpp&gt;">b