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set

kotlin-stdlib / kotlin.collections / ArrayList / set
Platform and version requirements: Native (1.3) 
operator fun set(index: Int, element: E): E
Platform and version requirements: JS (1.1) 
open fun set(index: Int, element: E): E

Replaces the element at the specified position in this list with the specified element.

Return the element previously at the specified position.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-array-list/set.html