Mikhail Glukhikh
38 lines
905 B
Kotlin
Vendored
38 lines
905 B
Kotlin
Vendored
// FIR_IDENTICAL
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// !CHECK_TYPE
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// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER
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class Outer<out E> {
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inner class Inner {
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fun foo() = this
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fun baz(): Inner = this
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}
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fun bar() = Inner()
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// Should be unsafe variance error here
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fun set(inner: Inner) {}
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}
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fun factoryString(): Outer<String>.Inner = null!!
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fun <T> infer(x: T): Outer<T>.Inner = null!!
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val inferred = infer("")
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fun main() {
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val outer = Outer<String>()
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checkSubtype<Outer<String>.Inner>(outer.bar())
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checkSubtype<Outer<String>.Inner>(outer.Inner())
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checkSubtype<Outer<*>.Inner>(outer.bar())
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checkSubtype<Outer<*>.Inner>(outer.Inner())
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checkSubtype<Outer<CharSequence>.Inner>(outer.bar())
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checkSubtype<Outer<CharSequence>.Inner>(outer.Inner())
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outer.set(outer.bar())
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outer.set(outer.Inner())
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val x: Outer<String>.Inner = factoryString()
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outer.set(x)
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} |