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kotlin-fork/compiler/testData/diagnostics/tests/builderInference/issues/kt54767a.kt
T
2023-12-05 18:15:51 +00:00

30 lines
670 B
Kotlin
Vendored

// ISSUE: KT-54767
// FIR_IDENTICAL
// CHECK_TYPE_WITH_EXACT
// WITH_STDLIB
fun test() {
val buildee by lazy {
build {
setTypeVariable(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<TargetType>>(buildee)
}
class TargetType
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)
}