abstract fun containsAll( elements: Collection<@UnsafeVariance E> ): Boolean
Checks if all elements in the specified collection are contained in this collection.
© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-collection/contains-all.html