Mikhail Glukhikh
125 lines
2.9 KiB
Kotlin
Vendored
125 lines
2.9 KiB
Kotlin
Vendored
// !OPT_IN: kotlin.RequiresOptIn
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// LANGUAGE: +OptInContagiousSignatures
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@RequiresOptIn
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@Retention(AnnotationRetention.BINARY)
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@Target(AnnotationTarget.CLASS, AnnotationTarget.PROPERTY, AnnotationTarget.TYPEALIAS)
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annotation class Marker
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@Marker
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interface Some
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abstract class User {
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abstract fun createSome(): <!OPT_IN_USAGE_ERROR!>Some<!>
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fun <!OPT_IN_USAGE_ERROR!>Some<!>?.onSome() {}
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fun withSome(some: <!OPT_IN_USAGE_ERROR!>Some<!>? = null) {}
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fun use() {
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val something = <!OPT_IN_USAGE_ERROR!>createSome<!>()
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val somethingOther: <!OPT_IN_USAGE_ERROR!>Some<!> = <!OPT_IN_USAGE_ERROR!>createSome<!>()
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null.<!OPT_IN_USAGE_ERROR!>onSome<!>()
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<!OPT_IN_USAGE_ERROR!>withSome<!>()
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}
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}
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data class DataClass(@property:Marker val x: Int)
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fun useDataClass(d: DataClass) {
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// Should have error in both
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d.<!OPT_IN_USAGE_ERROR!>x<!>
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val (<!OPT_IN_USAGE_ERROR!>x<!>) = d
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}
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typealias My = <!OPT_IN_USAGE_ERROR!>Some<!>
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fun my(my: <!OPT_IN_USAGE_ERROR!>My<!>) {}
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fun your(my: <!OPT_IN_USAGE_ERROR!>Some<!>) {}
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@Marker
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interface ExperimentalType {
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fun foo() {}
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fun bar() {}
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}
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@OptIn(Marker::class)
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interface NotExperimentalExtension : ExperimentalType {
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override fun foo() {}
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}
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fun use(arg: NotExperimentalExtension) {
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arg.foo()
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arg.bar()
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}
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@Marker
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interface I
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@OptIn(Marker::class)
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class A : I
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@OptIn(Marker::class)
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class B : I
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@OptIn(Marker::class)
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typealias MyList = ArrayList<I>
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@Marker
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typealias YourList = ArrayList<String>
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fun main() {
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val x = <!OPT_IN_USAGE_ERROR!>listOf<!>(A(), B())
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val y = <!OPT_IN_USAGE_ERROR!>MyList<!>()
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val z = <!OPT_IN_USAGE_ERROR!>YourList<!>()
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<!OPT_IN_USAGE_ERROR!>YourList<!>().add("")
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}
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@Marker
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class C {
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operator fun getValue(x: Any?, y: Any?): String = ""
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}
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object O {
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@OptIn(Marker::class)
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operator fun provideDelegate(x: Any?, y: Any?): C = C()
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}
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val x: String by <!OPT_IN_USAGE_ERROR!>O<!>
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@Marker
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class OperatorContainer : Comparable<OperatorContainer> {
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@OptIn(Marker::class)
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override fun compareTo(other: OperatorContainer): Int {
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return 0
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}
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}
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@OptIn(Marker::class)
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class AnotherContainer : Iterable<C> {
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@OptIn(Marker::class)
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override fun iterator(): Iterator<C> {
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return object : Iterator<C> {
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override fun hasNext(): Boolean {
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return false
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}
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override fun next(): C {
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throw java.util.NoSuchElementException()
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}
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}
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}
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}
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@OptIn(Marker::class)
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operator fun String.minus(s: String) = OperatorContainer()
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@OptIn(Marker::class)
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operator fun String.invoke() = OperatorContainer()
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fun operatorContainerUsage(s: String, a: AnotherContainer) {
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val res1 = s <!OPT_IN_USAGE_ERROR!>-<!> s
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val res2 = <!OPT_IN_USAGE_ERROR!>s<!>()
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val res3 = <!OPT_IN_USAGE_ERROR!>res1<!> <!OPT_IN_USAGE_ERROR!>><!> <!OPT_IN_USAGE_ERROR!>res2<!>
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for (c in <!OPT_IN_USAGE_ERROR!>a<!>) {}
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}
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