Dmitriy Novozhilov
35 lines
921 B
Kotlin
Vendored
35 lines
921 B
Kotlin
Vendored
// WITH_REFLECT
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// FULL_JDK
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// TARGET_BACKEND: JVM
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// FILE: 1.kt
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package test
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import java.lang.reflect.ParameterizedType
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import java.lang.reflect.Type
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open class TypeLiteral<T> {
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val type: Type
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get() = (javaClass.genericSuperclass as ParameterizedType).getActualTypeArguments()[0]
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}
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// normal inline function works fine
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inline fun <reified T> typeLiteral(): TypeLiteral<T> = object : TypeLiteral<T>() {}
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// nested lambda loses reification of T
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inline fun <reified T> brokenTypeLiteral(): TypeLiteral<T> = "".run { typeLiteral<T>() }
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// FILE: 2.kt
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import test.*
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fun box(): String {
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val type1 = typeLiteral<List<String>>().type.toString()
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if (type1 != "java.util.List<? extends java.lang.String>") return "fail 1: $type1"
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val type2 = brokenTypeLiteral<List<String>>().type.toString()
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if (type2 != "java.util.List<? extends java.lang.String>") return "fail 2: $type2"
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return "OK"
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}
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