nchored" id="argument-1-M"><a href="#argument-1-M" class="anchor"></a><code><span><span class="keyword">module</span> </span><span><a href="argument-1-M/index.html">M</a></span><span> : <a href="../../Owl_types_operator/module-type-MatrixSig/index.html">Owl_types_operator.MatrixSig</a></span></code></div></div><h2 id="signature"><a href="#signature" class="anchor"></a>Signature</h2><div class="odoc-spec"><div class="spec value anchored" id="val-(*@)"><a href="#val-(*@)" class="anchor"></a><code><span><span 