>ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a0f224f8bce8156b80b7adce8cb61c1ba" 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 h