"keyword">auto</span> <a name="boost.histogram.axis.step"></a><span class="identifier">step</span><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;&amp;</span> t<span class="special">)</span><span class="special">;</span>
      <span class="keyword">namespace</span> <span class="identifier">transform</span> <span class="special">{</span>
        <span class="keyword">struct</span> <a class="link" href="../boost/histogram/axis/transform/id.html" title="Struct id">id<