min
inline fun <T, R : Comparable<R>> Sequence<T>.minByOrNull(selector: (T) -> R): T?
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Returns the first element yielding the smallest value of the given function or null if there are no elements.
The operation is terminal.
Since Kotlin
1.4
Samples
import samples.*
import kotlin.test.*
fun main() {
//sampleStart
val list = listOf("abcd", "abc", "ab", "abcde")
val shortestString = list.minByOrNull { it.length }
assertPrints(shortestString, "ab")
val emptyList = emptyList<String>()
val emptyMin = emptyList.minByOrNull { it.length }
assertPrints(emptyMin, "null")
//sampleEnd
}