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13 lines
384 B
13 lines
384 B
property HasNext
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prefix "Iterator"
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prefix "List"
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prefix "Scanner"
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nondet (start)
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start -> start: *
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start -> invalid: I = iterator(*)
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start -> invalid: Scanner(I, *) // For constructors, biabduction has "this" as first argument
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invalid -> valid: B = hasNext(i) if B != 0 // in SIL, "true" is encoded as "not 0"
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valid -> invalid: next(i)
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invalid -> error: next(i)
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