tion</p></dd></dl><dl><dt class="spec value" id="val-map_mut_until"><a href="#val-map_mut_until" class="anchor"></a><code><span class="keyword">val</span> map_mut_until : <span>limit:int</span> <span>&#45;&gt;</span> <span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <span class="type-var">'a</span>)</span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> unit</code></dt><dd><p>Same as <a href="index.html#val-map_mut"><