kotlin-stdlib/kotlin/UseExperimental

UseExperimental

@Target(allowedTargets = [AnnotationTarget.CLASS, AnnotationTarget.PROPERTY, AnnotationTarget.LOCAL_VARIABLE, AnnotationTarget.VALUE_PARAMETER, AnnotationTarget.CONSTRUCTOR, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER, AnnotationTarget.EXPRESSION, AnnotationTarget.FILE, AnnotationTarget.TYPEALIAS])
annotation class UseExperimental(val markerClass: KClass<out Annotation>)(source)

Deprecated

Warning since 1.4

Error since 1.6

Please use OptIn instead.

Replace with

import kotlin.OptIn
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OptIn(*markerClass)
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Allows to use experimental API denoted by the given markers in the annotated file, declaration, or expression. If a declaration is annotated with UseExperimental, its usages are not required to opt-in to that experimental API.

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

Since Kotlin

1.2

Properties

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val markerClass: Array<out KClass<out Annotation>>
Since Kotlin 1.2