Ilmir Usmanov
25 lines
710 B
Kotlin
Vendored
25 lines
710 B
Kotlin
Vendored
// WITH_RUNTIME
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@Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE")
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@kotlin.jvm.JvmInline
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value class Direction(private val direction: Int) {
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fun dx() = dx[direction]
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fun dy() = dy[direction]
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companion object {
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private val dx = intArrayOf(0, 1, 0, -1)
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private val dy = intArrayOf(-1, 0, 1, 0)
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}
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}
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fun box(): String {
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val dirs = arrayOf(Direction(0), Direction(1), Direction(2), Direction(3))
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val expectedDx = intArrayOf(0, 1, 0, -1)
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val expectedDy = intArrayOf(-1, 0, 1, 0)
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for (i in 0 .. 3) {
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if (dirs[i].dx() != expectedDx[i]) throw AssertionError()
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if (dirs[i].dy() != expectedDy[i]) throw AssertionError()
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}
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return "OK"
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} |