kotlin-stdlib/kotlin.collections/addAll

addAll

fun <T> MutableCollection<in T>.addAll(elements: Iterable<T>): Boolean(source)

Adds all elements of the given elements collection to this MutableCollection.

fun <T> MutableCollection<in T>.addAll(elements: Sequence<T>): Boolean(source)

Adds all elements of the given elements sequence to this MutableCollection.

fun <T> MutableCollection<in T>.addAll(elements: Array<out T>): Boolean(source)

Adds all elements of the given elements array to this MutableCollection.