fun <T> Sequence<T>.lastOrNull(): T?
Returns the last element, or null if the sequence is empty.
inline fun <T> Sequence<T>.lastOrNull( predicate: (T) -> Boolean ): T?
Returns the last element matching the given predicate, or null if no such element was found.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/last-or-null.html