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1 import M3._ |
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2 |
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3 assert(nullable(ZERO) == false) |
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4 assert(nullable(ONE) == true) |
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5 assert(nullable(CHAR('a')) == false) |
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6 assert(nullable(ZERO | ONE) == true) |
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7 assert(nullable(ZERO | CHAR('a')) == false) |
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8 assert(nullable(ONE ~ ONE) == true) |
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9 assert(nullable(ONE ~ CHAR('a')) == false) |
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10 assert(nullable(STAR(ZERO)) == true) |
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11 assert(nullable(ALTs(List(ONE, CHAR('a'), ZERO))) == true) |
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12 assert(nullable(SEQs(List(ONE, ALTs(List(ONE, CHAR('a'), ZERO)), STAR(ZERO)))) == true) |
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13 |
2 |
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3 def urbanmain() = { |
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4 import M3._ |
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5 |
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6 assert(nullable(ZERO) == false) |
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7 assert(nullable(ONE) == true) |
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8 assert(nullable(CHAR('a')) == false) |
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9 assert(nullable(ZERO | ONE) == true) |
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10 assert(nullable(ZERO | CHAR('a')) == false) |
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11 assert(nullable(ONE ~ ONE) == true) |
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12 assert(nullable(ONE ~ CHAR('a')) == false) |
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13 assert(nullable(STAR(ZERO)) == true) |
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14 assert(nullable(ALTs(List(ONE, CHAR('a'), ZERO))) == true) |
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15 assert(nullable(SEQs(List(ONE, ALTs(List(ONE, CHAR('a'), ZERO)), STAR(ZERO)))) == true) |
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16 } |