84c0ce56577f252f">nc::diff</a>(a);</div>
<div class="line"> </div>
<div class="line">    <span class="comment">// Reducers</span></div>
<div class="line">    <span class="keyword">auto</span> value5 = <a class="code hl_function" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">nc::sum&lt;int&gt;</a>(a);</div>
<div class="line">    <span class="keyword">auto</span> a46    = <a class="code hl_function" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">nc::sum&lt;int&gt;</a>(a, <a class="code 