Stanislav Ruban
51 lines
1.2 KiB
Kotlin
Vendored
51 lines
1.2 KiB
Kotlin
Vendored
// ISSUE: KT-53740
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// IGNORE_LIGHT_ANALYSIS
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// IGNORE_BACKEND: ANY
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// REASON: red code (see corresponding diagnostic test)
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fun box(): String {
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parallelInOutBuild(
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{
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setInProjectedTypeVariable(TargetType())
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},
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{
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consumeDifferentType(getOutProjectedTypeVariable())
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}
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)
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return "OK"
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}
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class TargetType
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class DifferentType
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fun consumeDifferentType(value: DifferentType) {}
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class Buildee<TV> {
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fun setTypeVariable(value: TV) { storage = value }
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fun getTypeVariable(): TV = storage
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private var storage: TV = TargetType() as TV
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}
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class OutBuildee<out OTV>(private val buildee: Buildee<out OTV>) {
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fun getOutProjectedTypeVariable(): OTV = buildee.getTypeVariable()
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}
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class InBuildee<in ITV>(private val buildee: Buildee<in ITV>) {
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fun setInProjectedTypeVariable(value: ITV) { buildee.setTypeVariable(value) }
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}
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fun <PTV> parallelInOutBuild(
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inProjectedInstructions: InBuildee<PTV>.(PTV) -> Unit,
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outProjectedInstructions: OutBuildee<PTV>.(PTV) -> Unit
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): Buildee<PTV> {
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val value = TargetType() as PTV
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return Buildee<PTV>().apply {
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InBuildee(this).inProjectedInstructions(value)
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OutBuildee(this).outProjectedInstructions(value)
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}
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}
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