Forbidden constructor call

Last modified: 03 December 2024

Reports a constructor calls on functional supertypes that will lead to compilation error since 1.9.

Motivation types:

  • The implementation does not abide by a published spec or documentation

More details: KT-46344: No error for a super class constructor call on a function interface in supertypes list

The quick-fix removes a constructor call.

Example:

abstract class A : () -> Int()

After the quick-fix is applied:

abstract class A : () -> Int

Locating this inspection

By ID

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

NoConstructorMigration
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 | Migration

This inspection only reports if the Kotlin language level of the project or module is 1.7 or higher.

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Kotlin, 243.23126-IJ