Created
December 23, 2011 08:48
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Filters are monoids
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| scala> val gt10: Int => Boolean = (n: Int) => n > 10 | |
| gt10: Int => Boolean = <function1> | |
| scala> val lt5: Int => Boolean = (n: Int) => n < 5 | |
| lt5: Int => Boolean = <function1> | |
| scala> 0 to 15 filter (lt5 |+| gt10) | |
| res35: scala.collection.immutable.IndexedSeq[Int] = Vector(0, 1, 2, 3, 4, 11, 12, 13, 14, 15) | |
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