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filterNotNullTo

fun <C : MutableCollection<in T>, T : Any> Array<out T?>.filterNotNullTo(
    destination: C
): C
fun <C : MutableCollection<in T>, T : Any> Iterable<T?>.filterNotNullTo(
    destination: C
): C

Appends all elements that are not null to the given destination.

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