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kotlin-fork/compiler/testData/diagnostics/tests/builderInference/issues/kt61310.kt
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2023-12-05 18:15:52 +00:00

31 lines
745 B
Kotlin
Vendored

// ISSUE: KT-61310
// CHECK_TYPE_WITH_EXACT
fun test() {
val buildee = build {
if (true) {
setTypeVariable(GenericBox())
} else {
setTypeVariable(GenericBox<TargetType>())
}
}
// exact type equality check — turns unexpected compile-time behavior into red code
// considered to be non-user-reproducible code for the purposes of these tests
checkExactType<Buildee<GenericBox<TargetType>>>(buildee)
}
class TargetType
class GenericBox<T>
class Buildee<TV> {
fun setTypeVariable(value: TV) { storage = value }
private var storage: TV = null!!
}
fun <PTV> build(instructions: Buildee<PTV>.() -> Unit): Buildee<PTV> {
return Buildee<PTV>().apply(instructions)
}