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Assignment can be replaced with operator assignment

Reports modifications of variables with a simple assignment (such as y = y + x) that can be replaced with an operator assignment.

The quick-fix replaces the assignment with an assignment operator.

Example:

fun foo() { val list = mutableListOf(1, 2, 3) list = list + 4 }

After the quick-fix is applied:

fun foo() { val list = mutableListOf(1, 2, 3) list += 4 }

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Kotlin, 241.16690-IJ

Last modified: 29 April 2024