E</a><span class="token operator">&gt;</span></div><p class="paragraph">Returns a not empty set containing all the elements of this array, or throws an <a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-illegal-argument-exception/index.html">IllegalArgumentException</a> if this array is empty.</p><hr><div class="symbol monospace"><div class="block"><div class="block"><span class="token annotation builtin">@</span><span data-unresolved-link="kotools.types.annotations/SinceKotoolsTypes///PointingTo