Ilmir Usmanov
58 lines
1.3 KiB
Kotlin
Vendored
58 lines
1.3 KiB
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class UInt<T: Int>(val u: T) {
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override fun toString(): String {
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return "UInt: $u"
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}
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}
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fun Any.isUInt(): Boolean = this is UInt<*>
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fun Any.notIsUInt(): Boolean = this !is UInt<*>
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inline fun <reified T> Any?.instanceOf(): Boolean = this is T
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fun UInt<Int>.extension(): String = "OK:"
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fun foo(x: UInt<Int>?): String {
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if (x is UInt<*>) {
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return x.extension() + x.toString()
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}
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return "fail"
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}
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fun bar(x: UInt<Int>?): String {
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if (x is Any) {
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return x.extension()
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}
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return "fail"
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}
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fun box(): String {
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val u = UInt(12)
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if (!u.isUInt()) return "fail"
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if (u.notIsUInt()) return "fail"
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if (1.isUInt()) return "fail"
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if (!1.notIsUInt()) return "fail"
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if (!u.instanceOf<UInt<Int>>()) return "fail"
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if (1.instanceOf<UInt<Int>>()) return "fail"
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val nullableUInt: UInt<Int>? = UInt(10)
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if (!nullableUInt.instanceOf<UInt<Int>>()) return "fail"
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val nullAsUInt: UInt<Int>? = null
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if (nullAsUInt.instanceOf<UInt<Int>>()) return "fail"
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if (!nullAsUInt.instanceOf<UInt<Int>?>()) return "fail"
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if (foo(u) != "OK:UInt: 12") return "fail"
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if (bar(u) != "OK:") return "fail"
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return "OK"
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} |