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Boolean expression can be simplified

Reports boolean expression parts that can be reduced to constants.

The quick-fix simplifies the condition.


fun use(arg: Boolean) { if (false == arg) { } }

After the quick-fix is applied:

fun use(arg: Boolean) { if (!arg) { } }

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Kotlin | Style issues


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Kotlin, 241.18072-IJ

Last modified: 18 June 2024