File: spec-tailcall.scala

package info (click to toggle)
scala 2.9.2%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 67,252 kB
  • ctags: 6,602
  • sloc: java: 27,488; xml: 4,412; python: 2,297; sh: 734; makefile: 16; ansic: 6
file content (17 lines) | stat: -rw-r--r-- 451 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
class TailCall[@specialized T] {
  final def dropLeft(n: Int, xs: List[T]): List[T] = 
    if (n == 0) xs
    else dropLeft(n - 1, xs.tail)
/*
  def filter(pf: PartialFunction[Option[String], Boolean]) = null

  def crash(o: Option[String]) = filter {
    case None if {
      def dropLeft[T](n: Int, xs: List[T]): List[T] = 
        if (n == 0) xs
        else dropLeft(n - 1, xs.tail)
      dropLeft(2, List(1, 2, 3)).isEmpty
    } => true
  }
*/
}