inline fun <T, R : Comparable<R>> Sequence<T>.maxBy( selector: (T) -> R ): T?
Returns the first element yielding the largest value of the given function 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-by.html