| 153 |      1 | 
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| 160 |      2 | //import scala.concurrent._
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|  |      3 | //import scala.concurrent.duration._
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|  |      4 | //import ExecutionContext.Implicits.global
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|  |      5 | //import scala.language.postfixOps 
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|  |      6 | //import scala.language.reflectiveCalls
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| 153 |      7 | 
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|  |      8 | 
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| 160 |      9 | //lazy val f = Future {
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| 153 |     10 |   import CW8a._
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|  |     11 | 
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|  |     12 |   assert(simp(ZERO | ONE) == ONE)
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|  |     13 |   assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE))
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|  |     14 |   assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a'))
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|  |     15 |   assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO)
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|  |     16 |   assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a'))
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|  |     17 |   assert(simp(CHAR('a') | CHAR('a')) == CHAR('a'))
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|  |     18 |   assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a')))
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| 160 |     19 |   assert(simp(ALT((CHAR('a') | ZERO) ~ ONE,
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|  |     20 |                   ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a'))
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| 153 |     21 | 
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| 160 |     22 | //}
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|  |     23 | 
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|  |     24 | //Await.result(f, 30 second)
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