lass="spec type anchored" id="type-compare"><a href="#type-compare" class="anchor"></a><code><span><span class="keyword">type</span> <span>'compare_a compare</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-compare_compare"><a href="#val-compare_compare" class="anchor"></a><code><span><span class="keyword">val</span> compare_compare : 
  <span><span>(<span><span class="type-var">'compare_a</span> <span class="arrow">&#45;&gt;</span></span> <span><span class="ty