Dmitriy Novozhilov
32 lines
673 B
Kotlin
Vendored
32 lines
673 B
Kotlin
Vendored
// !WITH_NEW_INFERENCE
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// !DIAGNOSTICS: -UNUSED_PARAMETER
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interface Base
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class Impl1 : Base
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class Impl2 : Base
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operator fun Base.plus(arg: Base) = Impl1()
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operator fun Impl2.plus(arg: Base) = Impl2()
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operator fun Base.plus(arg: Impl2) = Impl2()
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operator fun Base.unaryMinus() = Impl1()
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operator fun Impl2.unaryMinus() = Impl2()
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// See also KT-10384: in non-error functions, as is necessary!
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fun add1(x: Impl2, y: Base): Impl1 = x as Base + y
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fun error1(x: Impl2, y: Base): Impl1 = x + y
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fun add2(x: Base, y: Impl2): Impl1 = x + y as Base
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fun error2(x: Base, y: Impl2): Impl1 = x + y
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fun minus3(x: Impl2): Impl1 = -(x as Base)
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fun error3(x: Impl2): Impl1 = -x
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