Anastasia.Nekrasova
ad9025afa6
At the moment, SubclassOptInRequired is marked with the ExperimentalSubclassOptIn annotation. However, it does not work as expected due to a missing opt-in error. To use SubclassOptInRequired, an explicit opt-in is necessary because SubclassOptInRequired is an unstable feature now. ^KT-64739
24 lines
638 B
Kotlin
Vendored
24 lines
638 B
Kotlin
Vendored
// FIR_IDENTICAL
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@file:OptIn(ExperimentalSubclassOptIn::class)
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@RequiresOptIn
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annotation class ApiMarker
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@ApiMarker
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class UnstableKlassApi
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open class UnstableFunctionApi {
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@ApiMarker
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open fun overridableFunction() {}
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}
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@SubclassOptInRequired(ApiMarker::class)
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open class NotFullyOptedIntoApiMarker: UnstableFunctionApi() {
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init {
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// usage is unstable, error is reported even despite SubclassOptInRequired
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<!OPT_IN_USAGE_ERROR!>UnstableKlassApi<!>()
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}
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// usage is unstable, error is reported even despite SubclassOptInRequired
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override fun <!OPT_IN_OVERRIDE_ERROR!>overridableFunction<!>() {}
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}
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