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listOfNotNull

fun <T : Any> listOfNotNull(element: T?): List<T>

Returns a new read-only list either of single given element, if it is not null, or empty list it the element is null. The returned list is serializable (JVM).

fun <T : Any> listOfNotNull(vararg elements: T?): List<T>

Returns a new read-only list only of those given elements, that are not null. The returned list is serializable (JVM).

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/list-of-not-null.html