Pavel Kirpichenkov
c5893913f3
Coersion to Unit from error type leads to misleading type mismatches: "expected <expected lambda return type> found Unit", despite no user-provided Unit / empty lambda. These diagnostics were collected, but not reported before, and that had been disguising the issue for a while. KT-34729 Fixed
44 lines
1.1 KiB
Kotlin
Vendored
44 lines
1.1 KiB
Kotlin
Vendored
// !CHECK_TYPE
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// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
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// !WITH_NEW_INFERENCE
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class A {
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fun forEach() = this
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fun forEach(i: Int) = this
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}
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@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
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@kotlin.internal.HidesMembers
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fun A.forEach(i: Int) = i
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class B {
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@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
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@kotlin.internal.HidesMembers
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fun A.forEach() = this@B
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fun test(a: A) {
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a.forEach() checkType { _<A>() } // todo
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with(a) {
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forEach() checkType { _<A>() } // todo
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}
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}
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}
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fun test2(a: A) {
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@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
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@kotlin.internal.HidesMembers
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fun A.forEach() = ""
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@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
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@kotlin.internal.HidesMembers
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fun A.forEach(i: Int) = ""
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a.forEach() checkType { _<String>() }
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a.<!OVERLOAD_RESOLUTION_AMBIGUITY!>forEach<!>(1)
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<!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>with<!>(a) {
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forEach() checkType { _<String>() }
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<!OVERLOAD_RESOLUTION_AMBIGUITY!>forEach<!>(1)
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}
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} |