File: t4568.scala

package info (click to toggle)
scala 2.11.8-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 61,060 kB
  • ctags: 3,923
  • sloc: java: 13,251; xml: 3,214; sh: 1,553; python: 756; makefile: 40; awk: 36; ansic: 6
file content (13 lines) | stat: -rw-r--r-- 297 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
object SubList {
  implicit def sublistable[A](x: List[A]) = new SubListable(x)

  class SubListable[A](x: List[A]) {
    def isSubListOf(y: List[A]) = {
      x match {
        case Nil => true
        case h :: t => y.contains(h) && (t.isSubListOf(y.drop(y.indexOf(h) + 1)))
      }
    }
  }

}