inline fun <T, R> Sequence<T>.maxOfWithOrNull( comparator: Comparator<in R>, selector: (T) -> R ): R?
Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the sequence or null if there are no elements.
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/max-of-with-or-null.html