2015-09-15 07:46:09 -07:00
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System.print([].isEmpty) // expect: true
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System.print([1].isEmpty) // expect: false
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2015-06-30 06:52:29 -07:00
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class InfiniteSequence is Sequence {
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2015-09-01 08:16:04 -07:00
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construct new() {}
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2015-06-30 06:52:29 -07:00
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iterate(iterator) { true }
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iteratorValue(iterator) { iterator }
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}
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// Should not try to iterate the whole sequence.
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2015-09-15 07:46:09 -07:00
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System.print(InfiniteSequence.new().isEmpty) // expect: false
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