Victor Petukhov
b87c2a15b5
Those type variable may have other constraints after incorporation into which, the constraint error may appear ^KT-42042 Fixed
43 lines
1.2 KiB
Kotlin
Vendored
43 lines
1.2 KiB
Kotlin
Vendored
// !WITH_NEW_INFERENCE
|
|
// !CHECK_TYPE
|
|
// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER
|
|
|
|
class Outer<E> {
|
|
inner class Inner<F> {
|
|
fun foo() = this
|
|
fun baz(): Inner<String> = null!!
|
|
}
|
|
|
|
fun innerFactory(): Outer<E>.Inner<String> = null!!
|
|
|
|
fun bar() = Inner<E>()
|
|
fun set(inner: Inner<out E>) {}
|
|
|
|
fun inside() {
|
|
innerFactory().checkType { _<Inner<String>>() }
|
|
}
|
|
}
|
|
|
|
fun factoryString(): Outer<String>.Inner<String> = null!!
|
|
|
|
fun <T, Y> infer(x: T, y: Y): Outer<T>.Inner<Y> = null!!
|
|
val inferred = infer("", 1)
|
|
|
|
fun main() {
|
|
val outer = Outer<String>()
|
|
|
|
checkSubtype<Outer<String>.Inner<String>>(outer.bar())
|
|
checkSubtype<Outer<String>.Inner<Int>>(outer.Inner<Int>())
|
|
checkSubtype<Outer<*>.Inner<*>>(outer.bar())
|
|
checkSubtype<Outer<*>.Inner<*>>(outer.Inner<Int>())
|
|
|
|
checkSubtype<Outer<CharSequence>.Inner<CharSequence>>(<!TYPE_MISMATCH!>outer.bar()<!>)
|
|
checkSubtype<Outer<CharSequence>.Inner<CharSequence>>(<!TYPE_MISMATCH{NI}, TYPE_MISMATCH!>outer.<!TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH{OI}!>Inner()<!><!>)
|
|
|
|
outer.set(outer.bar())
|
|
outer.set(outer.Inner())
|
|
|
|
val x: Outer<String>.Inner<String> = factoryString()
|
|
outer.set(x)
|
|
}
|