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Kotlin Standard Library for JVM

There is a newer version: 2.1.0-Beta1

package kotlin

//
// NOTE THIS FILE IS AUTO-GENERATED by the GenerateStandardLib.kt
// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
//

import java.util.*

/**
 * Returns a original Iterable containing all the non-*null* elements, throwing an [[IllegalArgumentException]] if there are any null elements
 */
public fun  Collection.requireNoNulls() : Collection {
    for (element in this) {
        if (element == null) {
            throw IllegalArgumentException("null element found in $this")
        }
    }
    return this as Collection
}