p</code></a><code class="code">&nbsp;f&nbsp;l)</code>. Tail-recursive.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.10.0</li>
</ul>
</div>

<pre id="VALfold_left_map">val fold_left_map : ('a -&gt; 'b -&gt; 'a * 'c) -&gt; 'a -&gt; 'b list -&gt; 'a * 'c list</pre><div class="info ">
<div class="info-desc">
<p><code class="code">fold_left_map</code> is  a combination of <code class="code">fold_left</code> and <code class="code">map</code> that threads an
    accumulator through calls to <code cla