an style="white-space:nowrap">handler:<span class="type">T</span>&nbsp;&#8209;&gt;&nbsp;<span class="type">TOut</span>&nbsp;&#8209;&gt;&nbsp;<span class="type">Void</span>&nbsp;&#8209;&gt;&nbsp;<span class="type">Void</span></span>):<a class="type" title="" href="../../thx/promise/Future.html">Future</a>&lt;<span class="type">TOut</span>&gt;</code></p></h3><div class="doc"><p></p></div></div><div class="field "><a name="mapFuture"></a><h3><p><code><span class="label">inline</span> <a href="#mapFuture"><span