advanced code snippet search

Posted By

abelperez on 04/09/11


Tagged

duplicates foreach recursion Scala


Versions (?)

Who likes this?

1 person have marked this snippet as a favorite

tjikuzu2006


Scala - Remove duplicates from List

 / Published in: Scala
 

URL: http://abel-perez.com

Recursively remove duplicate elements from a List

Expand | Embed | Plain Text 
  1. object ListUtil
  2. {
  3.   def dedupe(elements:List[String]):List[String] = {
  4.     if (elements.isEmpty)
  5.       elements
  6.     else
  7.       elements.head :: dedupe(for (x <- elements.tail if x != elements.head) yield x)
  8.   }
  9. }
  10.  
  11. // example usage:
  12. ListUtil.dedupe(List("one", "two", "one")).foreach(println)

Report this snippet  

You need to login to post a comment.