ode></div></div><div class="odoc-include"><details open="open"><summary class="spec include"><code><span><span class="keyword">include</span> <span class="xref-unresolved">Ppx_compare_lib</span>.Comparable.S2
  <span class="keyword">with</span> <span><span class="keyword">type</span> <span>('a, 'compare_a) <span class="xref-unresolved">t</span></span> := <span><span>(<span class="type-var">'a</span>, <span class="type-var">'compare_a</span>)</span> <span class="xref-unresolved">t</span></span></span></span>