Evgeniy.Zhelenskiy
53 lines
1.2 KiB
Kotlin
Vendored
53 lines
1.2 KiB
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// LANGUAGE: +ValueClasses
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fun <T> underlying(a: IC): T = bar(a, object : IFace<IC, T> {
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override fun call(ic: IC): T = ic.value as T
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})
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fun <T> extension(a: IC): T = bar(a, object : IFace<IC, T> {
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override fun call(ic: IC): T = ic.extensionValue()
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})
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fun <T> dispatch(a: IC): T = bar(a, object : IFace<IC, T> {
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override fun call(ic: IC): T = ic.dispatchValue()
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})
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fun <T> normal(a: IC): T = bar(a, object : IFace<IC, T> {
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override fun call(ic: IC): T = normalValue(ic)
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})
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interface IFace<T, R> {
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fun call(ic: T): R
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}
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fun <T, R> bar(value: T, f: IFace<T, R>): R {
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return f.call(value)
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}
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fun <T> IC.extensionValue(): T = value as T
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fun <T> normalValue(ic: IC): T = ic.value as T
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class IC(val value: String) {
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fun <T> dispatchValue(): T = value as T
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}
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fun box(): String {
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var res = underlying<String>(IC("O")) + "K"
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if (res != "OK") return "FAIL 1: $res"
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res = extension<String>(IC("O")) + "K"
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if (res != "OK") return "FAIL 2: $res"
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res = dispatch<String>(IC("O")) + "K"
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if (res != "OK") return "FAIL 3: $res"
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res = normal<String>(IC("O")) + "K"
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if (res != "OK") return "FAIL 3: $res"
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return "OK"
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}
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