Pavel Kirpichenkov
e69e45e2a6
Force constraint system completer to always fix variable with unknown position. This makes inferred type for in parameters less specific, but OI infers to subtype in such cases, so NI won't infer to less specific types than before.
70 lines
1.3 KiB
Kotlin
Vendored
70 lines
1.3 KiB
Kotlin
Vendored
// !LANGUAGE: +NewInference
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// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
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interface Bound
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class Cls : Bound
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class Inv<T>(val prop: T)
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class In<in I>(param: I)
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class InB<in I : Bound>(param: I)
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class Out<out O>(val prop: O)
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fun <K> id(arg: K): K = arg
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fun <W> makeInv(arg: W): Inv<W> = TODO()
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fun <O> wrapOut(arg: O): Inv<out O> = TODO()
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fun <I> wrapIn(arg: I): Inv<in I> = TODO()
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fun test1(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("Inv<Cls>")!>Inv(cls)<!>
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)
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}
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fun test2(cls: Cls) {
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id<Inv<Bound>>(
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<!DEBUG_INFO_EXPRESSION_TYPE("Inv<Bound>")!>Inv(cls)<!>
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)
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}
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fun test3(cls: Cls) {
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id<Out<Bound>>(
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<!DEBUG_INFO_EXPRESSION_TYPE("Out<Cls>")!>Out(cls)<!>
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)
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}
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fun test4(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("Out<Cls>")!>Out(cls)<!>
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)
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}
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fun test5(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("In<Cls>")!>In(cls)<!>
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)
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}
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fun test6(cls: Cls) {
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id<In<Bound>>(
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<!DEBUG_INFO_EXPRESSION_TYPE("In<Bound>")!>In(cls)<!>
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)
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}
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fun test7(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out Cls>")!>wrapOut(cls)<!>
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)
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}
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fun test8(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("Inv<in Cls>")!>wrapIn(cls)<!>
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)
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}
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fun test9(cls: Cls) {
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id(
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<!DEBUG_INFO_EXPRESSION_TYPE("InB<Cls>")!>InB(cls)<!>
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)
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}
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