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previousClearBit

Platform and version requirements: Native (1.3)
fun previousClearBit(startIndex: Int): Int

Returns the biggest index of a bit which value is false before startIndex (inclusive). Returns -1 if there is no such bits before startIndex or if startIndex == -1. If startIndex >= size will return startIndex assuming that the set has an infinite sequence of false bits after (size - 1)-th.

Exceptions

IndexOutOfBoundException - if startIndex < -1.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.native/-bit-set/previous-clear-bit.html