first
Начиная с Kotlin: 1.7
fun IntProgression.firstOrNull(): Int?
fun LongProgression.firstOrNull(): Long?
fun CharProgression.firstOrNull(): Char?
fun UIntProgression.firstOrNull(): UInt?
fun ULongProgression.firstOrNull(): ULong?
Возвращает первый элемент или null, если прогрессия пуста.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.ranges/first-or-null.html
