 <span><span class="optlabel">?diag_r</span>:bool <span class="arrow">&#45;&gt;</span></span> <span><a href="../index.html#type-arr">arr</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="../index.html#type-arr">arr</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="../index.html#type-arr">arr</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="../index.html#type-arr">arr</a> <span class="arrow">&#45;&gt;</span></span> <a href="../index.html#type-arr">arr</a></span></code>