x00BB; <a href="../index.html">IStdlib</a> &#x00BB; IList</nav><h1>Module <code>IStdlib.IList</code></h1></header><dl><dt class="spec value" id="val-map_changed"><a href="#val-map_changed" class="anchor"></a><code><span class="keyword">val</span> map_changed : <span>equal:<span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> bool)</span></span> <span>&#45;&gt;</span> <span>f:<span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <span 