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[NI] Discriminate Nothing? result type from nullability constraints

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Nullability constraints should not be chosen when proper
argument constraints for variables in contravariant position present.

^KT-32106 Fixed
^KT-33166 Fixed
This commit is contained in:
Pavel Kirpichenkov
2019-12-24 14:51:39 +03:00
parent a1ad680edb
commit 7ee71450bc
23 changed files with 154 additions and 35 deletions
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compiler/testData/diagnostics/tests/inference/nestedCalls/preferArgumentToNullability.txt
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package
public inline fun </*0*/ reified T : Cls> materialize(): T?
public fun test(/*0*/ subIn: SubIn): kotlin.Unit
public fun </*0*/ D> transform(/*0*/ transformer: In<D>, /*1*/ data: D): kotlin.Unit
public open class Cls {
public constructor Cls()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public abstract class In</*0*/ in I> {
public constructor In</*0*/ in I>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class SubIn : In<Cls?> {
public constructor SubIn()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}