Experimental

Common
JVM
JS
Native
1.2
@Target([AnnotationTarget.ANNOTATION_CLASS]) @DeprecatedSinceKotlin("1.4", "1.6") annotation class Experimental
(source)
Deprecated: Please use RequiresOptIn instead.

Signals that the annotated annotation class is a marker of an experimental API.

Any declaration annotated with that marker is considered an experimental declaration and its call sites should accept the experimental aspect of it either by using UseExperimental, or by being annotated with that marker themselves, effectively causing further propagation of that experimental aspect.

This class is deprecated in favor of a more general approach provided by RequiresOptIn/OptIn.

Types

Common
JVM
JS
Native
1.0

Level

Severity of the diagnostic that should be reported on usages of experimental API which did not explicitly accept the experimental aspect of that API either by using UseExperimental or by being annotated with the corresponding marker annotation.

enum class Level

Constructors

Common
JVM
JS
Native
1.0

<init>

Signals that the annotated annotation class is a marker of an experimental API.

Experimental(level: Level = Level.ERROR)

Properties

Common
JVM
JS
Native
1.0

level

val level: Level