forked from Mirror/wren
26 lines
627 B
Plaintext
26 lines
627 B
Plaintext
class TestSequence is Sequence {
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construct new() {}
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iterate(iterator) {
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if (iterator == null) return 1
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if (iterator == 3) return false
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return iterator + 1
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}
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iteratorValue(iterator) { iterator }
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}
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var test = TestSequence.new().skip(0)
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System.print(test is Sequence) // expect: true
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System.print(test) // expect: instance of SkipSequence
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// Skipping 0 changes nothing.
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System.print(test.toList) // expect: [1, 2, 3]
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// Skipping 1 works.
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System.print(test.skip(1).toList) // expect: [2, 3]
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// Skipping more than length of sequence produces empty list.
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System.print(test.skip(4).isEmpty) // expect: true
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