="arrow">&#45;&gt;</span></span> <span>int <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'a</span>)</span> <span class="arrow">&#45;&gt;</span></span> <span><span class="type-var">'a</span> array</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-check_indptr_structure"><a href="#val-check_indptr_structure" class="anchor"></a><code><span><span class="keyword">val</span> check_indptr_structure : 
  <span><span><span class="type-var">'a</span> 