class="not-examples">
                    Specalized when key type is <code class="code">string</code>, more efficient
    than the generic type<br>
 
                </div>
                </div> 
<pre><span id="VALstrictlySortedLengthU"><span class="keyword">val</span> strictlySortedLengthU</span> : <code class="type">'a array -> ('a -> 'a -> bool [@bs]) -> int</code></pre>
<pre><span id="VALstrictlySortedLength"><span class="keyword">val</span> strictlySortedLength</span> : <code class="type">'a array ->