Alexander Udalov
53 lines
769 B
Kotlin
Vendored
53 lines
769 B
Kotlin
Vendored
// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
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// FILE: api.kt
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package api
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@RequiresOptIn(level = RequiresOptIn.Level.WARNING)
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@Target(AnnotationTarget.FUNCTION)
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annotation class E1
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@RequiresOptIn(level = RequiresOptIn.Level.WARNING)
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@Target(AnnotationTarget.FUNCTION)
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annotation class E2
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@RequiresOptIn(level = RequiresOptIn.Level.WARNING)
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@Target(AnnotationTarget.FUNCTION)
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annotation class E3
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@E1
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fun e1() {}
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@E2
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fun e2() {}
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@E3
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fun e3() {}
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// FILE: usage.kt
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package usage
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import api.*
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@OptIn(E1::class, E2::class, E3::class)
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fun use1() {
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e1()
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e2()
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e3()
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}
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@OptIn(E1::class, E3::class)
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fun use2() {
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e1()
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@OptIn(E2::class) e2()
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e3()
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}
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@OptIn(E1::class, E2::class)
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fun use3() {
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e1()
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e2()
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<!EXPERIMENTAL_API_USAGE!>e3<!>()
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}
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