 </span>tail<span class="token operator">: </span><a href="index.html">E</a></span></span><span class="token punctuation">)</span></div><p class="paragraph">Creates a not empty mutable list starting with a <span data-unresolved-link="kotools.types.collections/NotEmptyMutableList/&amp;lt;init&amp;gt;/#TypeParam(bounds=[kotlin.Any?])#kotlin.Array[TypeParam(bounds=[kotlin.Any?])]/PointingToCallableParameters(0)/">head</span> and containing all the elements of the optional <span data-unresolved-link="kotools.ty