Zalim Bashorov
6ebeeabe0f
For negative case, throwing CCE, we already have the issue KT-8135 and dedicated tests: * genericDelegateUncheckedCast1.kt * genericDelegateUncheckedCast2.kt Related issues: KT-8135 KT-39588 KT-48749 KT-49837
22 lines
926 B
Kotlin
Vendored
22 lines
926 B
Kotlin
Vendored
// WITH_STDLIB
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import kotlin.reflect.KProperty
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class OptionDescriptor<T>
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interface ArgumentValueDelegate<T> {
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operator fun getValue(thisRef: Any?, property: KProperty<*>): T = listOf("OK") as T
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}
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abstract class CLIEntity<TResult> constructor(val delegate: ArgumentValueDelegate<TResult>) {
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operator fun provideDelegate(thisRef: Any?, prop: KProperty<*>): ArgumentValueDelegate<TResult> = delegate
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}
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abstract class AbstractSingleOption<T : Any, TResult> constructor(delegate: ArgumentValueDelegate<TResult>) : CLIEntity<TResult>(delegate)
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class ArgumentSingleNullableValue<T : Any>(descriptor: OptionDescriptor<T>): ArgumentValueDelegate<T?>
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class SingleNullableOption<T : Any> constructor(descriptor: OptionDescriptor<T>) : AbstractSingleOption<T, T?>(ArgumentSingleNullableValue(descriptor))
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fun box(): String {
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val x: List<Any>? by SingleNullableOption(OptionDescriptor())
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return x?.get(0).toString()
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}
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