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foldRightIndexed

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)
inline fun <R> CharSequence.foldRightIndexed(
    initial: R, 
    operation: (index: Int, Char, acc: R) -> R
): R

Accumulates value starting with initial value and applying operation from right to left to each character with its index in the original char sequence and current accumulator value.

Parameters

operation - function that takes the index of a character, the character itself and current accumulator value, and calculates the next accumulator value.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/fold-right-indexed.html