Zalim Bashorov
32 lines
632 B
Kotlin
32 lines
632 B
Kotlin
package foo
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class SimpleEnumerator {
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private var counter = 0
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fun getNext(): String {
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counter++;
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return counter.toString()
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}
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fun hasMoreElements(): Boolean = counter < 1
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}
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class SimpleEnumeratorWrapper(private val enumerator: SimpleEnumerator) {
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fun hasNext(): Boolean = enumerator.hasMoreElements()
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fun next() = enumerator.getNext()
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}
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fun SimpleEnumerator.iterator(): SimpleEnumeratorWrapper {
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return SimpleEnumeratorWrapper(this)
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}
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fun box(): Boolean {
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var o = ""
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val enumerator = SimpleEnumerator()
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for (s in enumerator) {
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o += s;
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}
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return o == "1"
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} |