an class="type-var">'work</span> <span>&#45;&gt;</span> <span><span class="type-var">'result</span> option</span>)</span></span> <span>&#45;&gt;</span> <span>child_epilogue:<span>(unit <span>&#45;&gt;</span> <span class="type-var">'final</span>)</span></span> <span>&#45;&gt;</span> <span>tasks:<span>(unit <span>&#45;&gt;</span> <span><span>(<span class="type-var">'work</span>, <span class="type-var">'result</span>)</span> <a href="TaskGenerator/index.html#type-t">TaskGenerator.t</a></span>)</span></span> <