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
36 lines
1.5 KiB
Kotlin
Vendored
36 lines
1.5 KiB
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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@SubclassOptInRequired(ApiMarker::class)
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open class OpenKlassOptInApi
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// no opt-in: diagnostic reported
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open class OpenKlassOptInApiInheritorA: <!OPT_IN_USAGE_ERROR!>OpenKlassOptInApi<!>()
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// opt-in present: no diagnostic, opt-in isn't propagated
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@OptIn(ApiMarker::class)
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open class OpenKlassOptInApiInheritorB: OpenKlassOptInApi()
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// inheritance opt-in required: no diagnostic, opt-in is propagated
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@SubclassOptInRequired(ApiMarker::class)
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open class OpenKlassOptInApiInheritorC: OpenKlassOptInApi()
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// full opt-in required: no diagnostic, stricter opt-in is propagated
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@ApiMarker
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open class OpenKlassOptInApiInheritorD: OpenKlassOptInApi()
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open class OpenKlassOptInApiInheritorE: OpenKlassOptInApiInheritorB() // inheritance opt-in isn't propagated
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open class OpenKlassOptInApiInheritorF: <!OPT_IN_USAGE_ERROR!>OpenKlassOptInApiInheritorC<!>() // inheritance opt-in is propagated
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open class OpenKlassOptInApiInheritorG: <!OPT_IN_USAGE_ERROR!>OpenKlassOptInApiInheritorD<!>() // inheritance opt-in is propagated
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fun useSiteTestOpenClasses() {
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OpenKlassOptInApi() // usage opt-in isn't required
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OpenKlassOptInApiInheritorB() // usage opt-in isn't required
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OpenKlassOptInApiInheritorC() // usage opt-in isn't required
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<!OPT_IN_USAGE_ERROR!>OpenKlassOptInApiInheritorD<!>() // usage opt-in is required
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OpenKlassOptInApiInheritorE() // usage opt-in isn't required
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}
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