Mikhail Glukhikh
36 lines
720 B
Kotlin
Vendored
36 lines
720 B
Kotlin
Vendored
@RequiresOptIn
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annotation class Marker
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@SubclassOptInRequired(Marker::class)
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open class Base
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@Marker
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class DerivedFirst : Base()
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@OptIn(Marker::class)
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class DerivedSecond : Base()
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@SubclassOptInRequired(Marker::class)
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open class DerivedThird : Base()
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open class DerivedFourth : Base()
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class GrandDerivedThird : DerivedThird()
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// Question: should we have an error also here?
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class GrandDerivedFourth : DerivedFourth()
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@Marker
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open class Marked
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@SubclassOptInRequired(Marker::class)
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class DerivedMarked : <!OPT_IN_USAGE_ERROR!>Marked<!>()
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fun test() {
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val b = Base()
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val d1 = <!OPT_IN_USAGE_ERROR!>DerivedFirst<!>()
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val d2 = DerivedSecond()
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val d3 = DerivedThird()
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val d4 = DerivedFourth()
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}
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