Created
February 17, 2017 09:38
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| case class T(x: Int, y: Int) | |
| val tOrdering = Ordering.fromLessThan[T](_.x > _.x) | |
| var tree = scala.collection.immutable.TreeSet.empty(tOrdering) | |
| tree = tree + T(10,2) | |
| tree = tree + T(1,2) | |
| tree = tree + T(1,3) | |
| tree = tree + T(5,3) |
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