</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a8b9ef428ed2f072c7b7e5e38bee2a5b9" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1sprite__affine__mat__ptr.html" class="m-doc">sprite_<wbr />affine_<wbr />mat_<wbr />ptr</a> affine_mat,
              const <a href="classbn_1_1span.html" class="m-doc">span</a>&lt;const int16_t&gt;&amp; values_ref) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href=