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Diffstat (limited to 'docs/examples/sort2.scala')
-rw-r--r-- | docs/examples/sort2.scala | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/docs/examples/sort2.scala b/docs/examples/sort2.scala new file mode 100644 index 0000000000..53b2f89174 --- /dev/null +++ b/docs/examples/sort2.scala @@ -0,0 +1,25 @@ +package examples; + +object sort2 { + + def sort(a: List[Int]): List[Int] = { + if (a.length < 2) + a + else { + val pivot = a(a.length / 2); + def lePivot(x: Int) = x < pivot; + def gtPivot(x: Int) = x > pivot; + def eqPivot(x: Int) = x == pivot; + sort(a filter lePivot) + ::: sort(a filter eqPivot) + ::: sort(a filter gtPivot) + } + } + + def main(args: Array[String]) = { + val xs = List(6, 2, 8, 5, 1); + Console.println(xs); + Console.println(sort(xs)) + } + +} |