r="showTip(event, '35', 35)">
            Stencil2(code)
          </code>
          <div class="tip" id="35">
            <strong>Signature:</strong> (code:Expr&lt;(&#39;a -&gt; &#39;a -&gt; &#39;b)&gt;) -&gt; NeighbourMapping&lt;&#39;a,&#39;b&gt;<br />
                          <strong>Type parameters:</strong> 'a, 'b          </div>
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 A neighbour mapping stencil of the form X_(i-1) and X_(i+1)
</br>
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