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Suspicious callable reference used as lambda result

Reports lambda expressions with one callable reference.

It is a common error to replace a lambda with a callable reference without changing curly braces to parentheses.


listOf(1,2,3).map { it::toString }

After the quick-fix is applied:


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