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Support new form of definitely non-nullable types: T & Any

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^KT-26245 In Progress
This commit is contained in:
Denis.Zharkov
2021-08-09 12:10:51 +03:00
committed by teamcityserver
parent cdd8d1c163
commit 302eacbf59
53 changed files with 2139 additions and 196 deletions
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compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/approximation.fir.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: T & Any) = x!!
fun main() {
foo<String>("", "").length
foo<String>("", null).length
foo<String?>(null, "").length
foo<String?>(null, null).length
foo("", "").length
foo("", null).length
foo(null, "").<!UNRESOLVED_REFERENCE!>length<!>
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/approximation.kt
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+14
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: T & Any) = x!!
fun main() {
foo<String>("", "").length
foo<String>("", <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo<String?>(null, "").length
foo<String?>(null, <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo("", "").length
foo("", <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo(null, "").length
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/approximation.txt
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package
public fun </*0*/ T> foo(/*0*/ x: T, /*1*/ y: T!!): T!!
public fun main(): kotlin.Unit
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/bareTypes.fir.kt
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+7
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun main(x: Collection<String>) {
if (x is List<!SYNTAX!><!> <!SYNTAX!><!SYNTAX!><!>& Any)<!> {}
val w: List & Any = null!!
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/bareTypes.kt
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+7
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun main(x: Collection<String>) {
if (x is List<!SYNTAX!><!> <!SYNTAX!><!SYNTAX!><!>& Any)<!> {}
val w: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION, WRONG_NUMBER_OF_TYPE_ARGUMENTS!>List<!> & Any = null!!
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/bareTypes.txt
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+3
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package
public fun main(/*0*/ x: kotlin.collections.Collection<kotlin.String>): kotlin.Unit
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/disabledFeature.fir.kt
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+3
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// !LANGUAGE: -DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: T & Any): List<T & Any>? = null
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/disabledFeature.kt
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+3
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// !LANGUAGE: -DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: <!UNSUPPORTED_FEATURE!>T & Any<!>): List<<!UNSUPPORTED_FEATURE!>T & Any<!>>? = null
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/disabledFeature.txt
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+3
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package
public fun </*0*/ T> foo(/*0*/ x: T, /*1*/ y: T): kotlin.collections.List<T>?
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/inference.fir.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> toDefNotNull(s: T): T & Any = s!!
fun <K> removeQuestionMark(x: K?): K = x!!
fun Any.foo() {}
fun <E> expectNN(e: E & Any) {}
fun <F> main(x: F, y: F, z: F, w: F, m: F) {
val y1 = toDefNotNull(x) // K instead of K & Any
val y2: F & Any = toDefNotNull(x) // K instead of K & Any
val x1 = removeQuestionMark(x) // T or T & Any
val x2: F & Any = removeQuestionMark(x) // T or T & Any
val z1 = x!!
val z2: F & Any = y!!
val w1 = if (z != null) z else return
val w2: F & Any = if (w != null) w else return
y1.foo()
y2.foo()
x1.foo()
x2.foo()
z1.foo()
z2.foo()
w1.foo()
w2.foo()
<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>expectNN<!>(m)
<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>expectNN<!>(m!!)
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/inference.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> toDefNotNull(s: T): T & Any = s!!
fun <K> removeQuestionMark(x: K?): K = x!!
fun Any.foo() {}
fun <E> expectNN(e: E & Any) {}
fun <F> main(x: F, y: F, z: F, w: F, m: F) {
val y1 = toDefNotNull(x) // K instead of K & Any
val y2: F & Any = toDefNotNull(x) // K instead of K & Any
val x1 = removeQuestionMark(x) // T or T & Any
val x2: F & Any = removeQuestionMark(x) // T or T & Any
val z1 = x!!
val z2: F & Any = y!!
val w1 = if (z != null) <!DEBUG_INFO_SMARTCAST!>z<!> else return
val w2: F & Any = if (w != null) <!DEBUG_INFO_SMARTCAST!>w<!> else return
y1.foo()
y2.foo()
x1.foo()
x2.foo()
z1.foo()
z2.foo()
w1.foo()
w2.foo()
expectNN(<!TYPE_MISMATCH!>m<!>)
expectNN(m!!)
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/inference.txt
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package
public fun </*0*/ E> expectNN(/*0*/ e: E!!): kotlin.Unit
public fun </*0*/ F> main(/*0*/ x: F, /*1*/ y: F, /*2*/ z: F, /*3*/ w: F, /*4*/ m: F): kotlin.Unit
public fun </*0*/ K> removeQuestionMark(/*0*/ x: K?): K
public fun </*0*/ T> toDefNotNull(/*0*/ s: T): T!!
public fun kotlin.Any.foo(): kotlin.Unit
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/isAsOperators.kt
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// FIR_IDENTICAL
// SKIP_TXT
// !LANGUAGE: -DefinitelyNotNullTypeParameters
fun Any.bar() {}
fun Boolean.baz() {}
var x: Int = 0
inline fun <reified T> foo(v: Any?): T {
if (x > 0) 1 else v as T <!SYNTAX!>& Any<!>
if (x > 1) 2 else v as? T <!SYNTAX!>& Any<!>
if (x > 2) 3 else v is T <!SYNTAX!>& Any<!>
if (x > 3) 4 else v !is T <!SYNTAX!>& Any<!>
return v as T <!SYNTAX!>& Any<!>
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/isAsOperatorsEnabled.kt
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// FIR_IDENTICAL
// SKIP_TXT
// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun Any.bar() {}
fun Boolean.baz() {}
var x: Int = 0
inline fun <reified T> foo(v: Any?): T {
if (x > 0) 1 else v as T <!SYNTAX!>& Any<!>
if (x > 1) 2 else v as? T <!SYNTAX!>& Any<!>
if (x > 2) 3 else v is T <!SYNTAX!>& Any<!>
if (x > 3) 4 else v !is T <!SYNTAX!>& Any<!>
return v as T <!SYNTAX!>& Any<!>
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/notApplicable.fir.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T : Any> foo(x: T & Any, y: List<String & Any> & Any) {}
fun <F> bar1(x: F? & Any) {}
fun <F> bar2(x: F & Any?) {}
fun <F> bar3(x: (F?) & Any) {}
fun <F> bar4(x: (F & Any)?) {}
fun <F> bar5(x: F & String) {}
fun <F> bar6(x: F & (F & Any)) {}
fun <F> bar7(x: (F & Any) & Any) {}
fun <F> bar8(x: (F & Any).() -> Unit) {}
fun <F> (F & Any).bar9(x: () -> Unit) {}
fun <F> bar10(x: F & Any & String) {}
fun <F> bar11(x: Double & Any & String) {}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/notApplicable.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T : Any> foo(x: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>T<!> & Any, y: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>List<<!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>String<!> & Any><!> & Any) {}
fun <F> bar1(x: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>F?<!> & Any) {}
fun <F> bar2(x: F & <!INCORRECT_RIGHT_COMPONENT_OF_INTERSECTION!>Any?<!>) {}
fun <F> bar3(x: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>(F?)<!> & Any) {}
fun <F> bar4(x: <!NULLABLE_ON_DEFINITELY_NOT_NULLABLE!>(F & Any)?<!>) {}
fun <F> bar5(x: F & <!INCORRECT_RIGHT_COMPONENT_OF_INTERSECTION!>String<!>) {}
fun <F> bar6(x: F & <!INCORRECT_RIGHT_COMPONENT_OF_INTERSECTION!>(F & Any)<!>) {}
fun <F> bar7(x: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>(F & Any)<!> & Any) {}
fun <F> bar8(x: (F & Any).() -> Unit) {}
fun <F> (F & Any).bar9(x: () -> Unit) {}
fun <F> bar10(x: F & <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>Any<!> & String) {}
fun <F> bar11(x: <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>Double<!> & <!INCORRECT_LEFT_COMPONENT_OF_INTERSECTION!>Any<!> & String) {}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/notApplicable.txt
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package
public fun </*0*/ F> bar1(/*0*/ x: F?): kotlin.Unit
public fun </*0*/ F> bar10(/*0*/ x: F & Any): kotlin.Unit
public fun </*0*/ F> bar11(/*0*/ x: kotlin.Double): kotlin.Unit
public fun </*0*/ F> bar2(/*0*/ x: F): kotlin.Unit
public fun </*0*/ F> bar3(/*0*/ x: F?): kotlin.Unit
public fun </*0*/ F> bar4(/*0*/ x: F?): kotlin.Unit
public fun </*0*/ F> bar5(/*0*/ x: F): kotlin.Unit
public fun </*0*/ F> bar6(/*0*/ x: F): kotlin.Unit
public fun </*0*/ F> bar7(/*0*/ x: F!!): kotlin.Unit
public fun </*0*/ F> bar8(/*0*/ x: F!!.() -> kotlin.Unit): kotlin.Unit
public fun </*0*/ T : kotlin.Any> foo(/*0*/ x: T, /*1*/ y: kotlin.collections.List<kotlin.String>): kotlin.Unit
public fun </*0*/ F> F!!.bar9(/*0*/ x: () -> kotlin.Unit): kotlin.Unit
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overrides.fir.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
interface A<T> {
fun foo(x: T): T
fun bar(x: T & Any): T & Any
}
interface B<T1> : A<T1> {
override fun foo(x: T1): T1
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T1 & Any): T1 & Any
}
interface C<T2> : A<T2> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: T2 & Any): T2 & Any
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T2): T2
}
interface D : A<String?> {
override fun foo(x: String?): String?
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String): String
}
interface E : A<String> {
override fun foo(x: String): String
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String): String
}
interface F : A<String?> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: String): String
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String?): String?
}
interface G<T3 : Any> : A<T3> {
override fun foo(x: T3): T3
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T3): T3
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overrides.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters
interface A<T> {
fun foo(x: T): T
fun bar(x: T & Any): T & Any
}
interface B<T1> : A<T1> {
override fun foo(x: T1): T1
override fun bar(x: T1 & Any): T1 & Any
}
interface C<T2> : A<T2> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: T2 & Any): T2 & Any
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T2): T2
}
interface D : A<String?> {
override fun foo(x: String?): String?
override fun bar(x: String): String
}
interface E : A<String> {
override fun foo(x: String): String
override fun bar(x: String): String
}
interface F : A<String?> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: String): String
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String?): String?
}
interface G<T3 : Any> : A<T3> {
override fun foo(x: T3): T3
override fun bar(x: T3): T3
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overrides.txt
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package
public interface A</*0*/ T> {
public abstract fun bar(/*0*/ x: T!!): T!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun foo(/*0*/ x: T): T
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface B</*0*/ T1> : A<T1> {
public abstract override /*1*/ fun bar(/*0*/ x: T1!!): T1!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: T1): T1
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface C</*0*/ T2> : A<T2> {
public abstract fun bar(/*0*/ x: T2): T2
public abstract override /*1*/ /*fake_override*/ fun bar(/*0*/ x: T2!!): T2!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ x: T2): T2
public abstract fun foo(/*0*/ x: T2!!): T2!!
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface D : A<kotlin.String?> {
public abstract override /*1*/ fun bar(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface E : A<kotlin.String> {
public abstract override /*1*/ fun bar(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface F : A<kotlin.String?> {
public abstract override /*1*/ /*fake_override*/ fun bar(/*0*/ x: kotlin.String): kotlin.String
public abstract fun bar(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun foo(/*0*/ x: kotlin.String): kotlin.String
public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface G</*0*/ T3 : kotlin.Any> : A<T3> {
public abstract override /*1*/ fun bar(/*0*/ x: T3): T3
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: T3): T3
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overridesJavaAnnotated.fir.kt
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// !LANGUAGE: +DefinitelyNotNullTypeParameters +ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated
// FILE: A.java
import org.jetbrains.annotations.*;
public interface A<T> {
public T foo(T x) { return x; }
@NotNull
public T bar(@NotNull T x) {}
}
// FILE: main.kt
interface B<T1> : A<T1> {
override fun foo(x: T1): T1
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T1 & Any): T1 & Any
}
interface C<T2> : A<T2> {
override fun foo(x: T2 & Any): T2 & Any
override fun bar(x: T2): <!RETURN_TYPE_MISMATCH_ON_OVERRIDE!>T2<!>
}
interface D : A<String?> {
override fun foo(x: String?): String?
override fun bar(x: String): String
}
interface E : A<String> {
override fun foo(x: String): String
override fun bar(x: String): String
}
interface F : A<String?> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: String): String
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String?): String?
}
interface G<T3 : Any> : A<T3> {
override fun foo(x: T3): T3
override fun bar(x: T3): T3
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overridesJavaAnnotated.kt
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+42
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// !LANGUAGE: +DefinitelyNotNullTypeParameters +ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated
// FILE: A.java
import org.jetbrains.annotations.*;
public interface A<T> {
public T foo(T x) { return x; }
@NotNull
public T bar(@NotNull T x) {}
}
// FILE: main.kt
interface B<T1> : A<T1> {
override fun foo(x: T1): T1
override fun bar(x: T1 & Any): T1 & Any
}
interface C<T2> : A<T2> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: T2 & Any): T2 & Any
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: T2): T2
}
interface D : A<String?> {
override fun foo(x: String?): String?
override fun bar(x: String): String
}
interface E : A<String> {
override fun foo(x: String): String
override fun bar(x: String): String
}
interface F : A<String?> {
<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: String): String
<!NOTHING_TO_OVERRIDE!>override<!> fun bar(x: String?): String?
}
interface G<T3 : Any> : A<T3> {
override fun foo(x: T3): T3
override fun bar(x: T3): T3
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/overridesJavaAnnotated.txt
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package
public interface A</*0*/ T : kotlin.Any!> {
@org.jetbrains.annotations.NotNull public abstract fun bar(/*0*/ @org.jetbrains.annotations.NotNull x: T!!): T!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun foo(/*0*/ x: T!): T!
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface B</*0*/ T1> : A<T1> {
public abstract override /*1*/ fun bar(/*0*/ x: T1!!): T1!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: T1): T1
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface C</*0*/ T2> : A<T2> {
public abstract fun bar(/*0*/ x: T2): T2
@org.jetbrains.annotations.NotNull public abstract override /*1*/ /*fake_override*/ fun bar(/*0*/ @org.jetbrains.annotations.NotNull x: T2!!): T2!!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ x: T2!): T2!
public abstract fun foo(/*0*/ x: T2!!): T2!!
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface D : A<kotlin.String?> {
public abstract override /*1*/ fun bar(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface E : A<kotlin.String> {
public abstract override /*1*/ fun bar(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: kotlin.String): kotlin.String
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface F : A<kotlin.String?> {
@org.jetbrains.annotations.NotNull public abstract override /*1*/ /*fake_override*/ fun bar(/*0*/ @org.jetbrains.annotations.NotNull x: kotlin.String): kotlin.String
public abstract fun bar(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun foo(/*0*/ x: kotlin.String): kotlin.String
public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ x: kotlin.String?): kotlin.String?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface G</*0*/ T3 : kotlin.Any> : A<T3> {
public abstract override /*1*/ fun bar(/*0*/ x: T3): T3
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun foo(/*0*/ x: T3): T3
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/simple.fir.kt
Vendored
+14
View File
@@ -0,0 +1,14 @@
// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: T & Any): T & Any = x ?: y
fun main() {
foo<String>("", "").<!UNRESOLVED_REFERENCE!>length<!>
foo<String>("", null).<!UNRESOLVED_REFERENCE!>length<!>
foo<String?>(null, "").<!UNRESOLVED_REFERENCE!>length<!>
foo<String?>(null, null).<!UNRESOLVED_REFERENCE!>length<!>
foo("", "").<!UNRESOLVED_REFERENCE!>length<!>
foo("", null).<!UNRESOLVED_REFERENCE!>length<!>
foo(null, "").<!UNRESOLVED_REFERENCE!>length<!>
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/simple.kt
Vendored
+14
View File
@@ -0,0 +1,14 @@
// !LANGUAGE: +DefinitelyNotNullTypeParameters
fun <T> foo(x: T, y: T & Any): T & Any = x ?: y
fun main() {
foo<String>("", "").length
foo<String>("", <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo<String?>(null, "").length
foo<String?>(null, <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo("", "").length
foo("", <!NULL_FOR_NONNULL_TYPE!>null<!>).length
foo(null, "").length
}
compiler/testData/diagnostics/tests/explicitDefinitelyNotNullableViaIntersection/simple.txt
Vendored
+4
View File
@@ -0,0 +1,4 @@
package
public fun </*0*/ T> foo(/*0*/ x: T, /*1*/ y: T!!): T!!
public fun main(): kotlin.Unit