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Delegating to 'var' property

Reports interface delegation to a var property.

Only initial value of a property is used for delegation, any later assignments do not affect it.


class Example(var text: CharSequence): CharSequence by text

The quick-fix replaces a property with immutable one:

class Example(val text: CharSequence): CharSequence by text

Alternative way, if you rely on mutability for some reason:

class Example(text: CharSequence): CharSequence by text { var text = text }

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 | Probable bugs


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