Svyatoslav Kuzmich
23 lines
584 B
Kotlin
Vendored
23 lines
584 B
Kotlin
Vendored
// WITH_RUNTIME
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import kotlin.test.assertEquals
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inline fun <T> Array<out T>.indexOfLast(predicate: (T) -> Boolean): Int {
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for (index in indices.reversed()) {
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if (predicate(this[index])) {
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return index
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}
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}
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return -1
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}
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val ints = arrayOf(1, 2, 3, 2, 1)
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fun box(): String {
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assertEquals(-1, ints.indexOfLast { it == 4 })
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assertEquals(4, ints.indexOfLast { it == 1 })
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assertEquals(3, ints.indexOfLast { it == 2 })
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assertEquals(2, ints.indexOfLast { it == 3 })
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assertEquals(-1, ints.indexOfLast { it == 0 })
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return "OK"
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} |