Files
kotlin-fork/compiler/testData/codegen/box/ranges/forInStringWithCustomIterator.kt
T
Ivan Kylchik c7435ba760 Replace all occurrences of WITH_RUNTIME with WITH_STDLIB
We are going to deprecate `WITH_RUNTIME` directive. The main reason
behind this change is that `WITH_STDLIB` directive better describes
its meaning, specifically it will add kotlin stdlib to test's classpath.
2021-11-17 15:26:38 +03:00

25 lines
589 B
Kotlin
Vendored

// TARGET_BACKEND: JVM
// WITH_STDLIB
operator fun String.iterator(): IntIterator = object : IntIterator() {
private var index = 0
override fun nextInt() = codePointAt(index).apply {
index += Character.charCount(this)
}
override fun hasNext(): Boolean = index < length
}
fun String.collectInts(): List<Int> {
val result = ArrayList<Int>()
for (c in this) {
result.add(c)
}
return result
}
fun box(): String {
val ints = String(Character.toChars(127849)).collectInts()
return if (ints == listOf(127849)) "OK" else "Fail: $ints"
}