eyword">typedef</span> <a class="link" href="../boost/histogram/axis/option/bit.html" title="Struct template bit">bit</a><span class="special">&lt;</span> <span class="number">3</span> <span class="special">&gt;</span> <a name="boost.histogram.axis.option.growth_t"></a><span class="identifier">growth_t</span><span class="special">;</span>  <span class="comment">// Axis can grow. Mutually exclusive with <code class="computeroutput">circular</code>. </span>

        <span class="keyword">constexpr</span> <spa