plusAssign

operator fun <E> KoneMutableList<E>.plusAssign(elements: KoneIterable<E>)(source)
operator fun <E> KoneMutableSet<E>.plusAssign(elements: KoneIterable<E>)(source)
operator fun <E> KoneMutableList<E>.plusAssign(element: E)(source)
operator fun <E> KoneMutableSet<E>.plusAssign(element: E)(source)