   <span class="comment">// Diagonal, Traingular, and Flip</span></div>
<div class="line">    <span class="keyword">auto</span> d   = nc::random::randInt&lt;int&gt;({ 5, 5 }, 0, 10);</div>
<div class="line">    <span class="keyword">auto</span> a23 = <a id="a14" name="a14"></a><a class="code hl_function" href="namespacenc.html#a2a758d39465793906d06e6f175feb688">nc::diagonal</a>(d);</div>
<div class="line">    <span class="keyword">auto</span> a24 = <a id="a15" name="a15"></a><a class="code hl_function" href