fun <T> Sequence<T>.firstOrNull(): T?
Returns the first element, or null if the sequence is empty.
The operation is terminal.
inline fun <T> Sequence<T>.firstOrNull( predicate: (T) -> Boolean ): T?
Returns the first element matching the given predicate, or null if element was not found.
The operation is terminal.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/first-or-null.html