Alexander Udalov
23 lines
496 B
Kotlin
Vendored
23 lines
496 B
Kotlin
Vendored
// WITH_STDLIB
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// IGNORE_BACKEND: JVM
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fun <T> foo(a: Result<T>?): T? = bar(a, object : IFace<Result<T>, T> {
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override fun call(ic: Result<T>?): T? = ic?.getOrThrow()
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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 box(): String {
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var res = foo<Int>(Result.success(40))?.plus(2)
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if (res != 42) return "FAIL $res"
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res = foo<Int>(null)
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if (res != null) return "FAIL $res"
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return "OK"
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}
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