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d6y/using.scala

Created November 1, 2014 17:26
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Enuerations and case objects: usage
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using.scala
scala> import SolarSystemPlanets._
import SolarSystemPlanets._
scala> println(planets)
TreeSet(Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune)
scala> EARTH < MARS
res1: Boolean = true
scala> planets.filter(_.radius > 7.0e6)
res2: scala.collection.immutable.Set[SolarSystemPlanets.Planet] = TreeSet(Jupiter, Saturn, Uranus, Neptune)
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