| 221 |      1 | 
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|  |      2 | 
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|  |      3 |  
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|  |      4 | assert(nullable(ZERO) == false)
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|  |      5 | assert(nullable(ONE) == true)
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|  |      6 | assert(nullable(CHAR('a')) == false)
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|  |      7 | assert(nullable(ZERO | ONE) == true)
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|  |      8 | assert(nullable(ZERO | CHAR('a')) == false)
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|  |      9 | assert(nullable(ONE ~  ONE) == true)
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|  |     10 | assert(nullable(ONE ~ CHAR('a')) == false)
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|  |     11 | assert(nullable(STAR(ZERO)) == true)
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|  |     12 | 
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|  |     13 | 
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| 153 |     14 | 
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| 160 |     15 | //import scala.concurrent._
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|  |     16 | //import scala.concurrent.duration._
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|  |     17 | //import ExecutionContext.Implicits.global
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|  |     18 | //import scala.language.postfixOps 
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|  |     19 | //import scala.language.reflectiveCalls
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| 153 |     20 | 
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| 160 |     21 | //lazy val f = Future {
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| 153 |     22 | 
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| 160 |     23 | //}
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| 221 |     24 | //Await.result(f,30 second)
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