Find Last Occurrence Index Value Of Inner List And Outer List In Efficient Way In Kotlin
Hey i have nested list and i wanted to find last occurrence index value of inner list and outer list. I tried to search Find last occurrence of a String in array using Kotlin. How
Solution 1:
You can use indexOfLast
and indexOfFirst
functions for this
var innerIndex = -1
val outerIndex: Int = value.indexOfLast{ group ->
innerIndex = group.value.indexOfFirst { groupValue -> groupValue != null && groupValue.isRead != true }
return@indexOfLast innerIndex != -1
}
if(outerIndex != -1) {
// match found
}
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