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set

kotlin-stdlib / kotlin.text / java.lang.StringBuilder / set
Platform and version requirements: JVM (1.0) 
operator fun StringBuilder.set(index: Int, value: Char)

Sets the character at the specified index to the specified value.

Exceptions

IndexOutOfBoundsException - if index is out of bounds of this string builder.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/java.lang.-string-builder/set.html