Stanislav Ruban
34 lines
842 B
Kotlin
Vendored
34 lines
842 B
Kotlin
Vendored
// ISSUE: KT-43710
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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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build {
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setTypeVariable(TargetType())
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letForTypeVariable { it.extensionProduceConcreteType() }
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}
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return "OK"
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}
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class ConcreteType
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class TargetType
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class DifferentType
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fun TargetType.extensionProduceConcreteType(): ConcreteType = ConcreteType()
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fun DifferentType.extensionProduceConcreteType(): ConcreteType = ConcreteType()
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class Buildee<TV> {
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fun setTypeVariable(value: TV) { storage = value }
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fun letForTypeVariable(action: (TV) -> ConcreteType): ConcreteType = storage.let(action)
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private var storage: TV = TargetType() as TV
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}
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fun <PTV> build(instructions: Buildee<PTV>.() -> Unit): Buildee<PTV> {
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return Buildee<PTV>().apply(instructions)
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}
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