frederickayala

Keybase proof

I hereby claim:

• I am frederickayala on github.
• I am frederickayala (https://keybase.io/frederickayala) on keybase.
• I have a public key ASD_UjlS7JgSlMmZUtm2CuVHrT_cwH3I05Z-jS6Rbd3Cjgo

To claim this, I am signing this object:

frederickayala

def takeRandomWithWeight[T](from: scala.collection.immutable.Vector[(T,Double)], items: scala.collection.immutable.Vector[(T,Double)], remaining: Int, rand: Random): scala.collection.immutable.Vector[(T,Double)] = {
    if (remaining == 0) items
    else {
      val r = rand.nextDouble()
      val candidates = from.dropWhile{_._2 >= r}
      if(!candidates.isEmpty){
        takeRandomWithWeight(from.filterNot(candidates.head == _), candidates.head +: items, remaining -1,rand)
      }
      else{
        takeRandomWithWeight(from,items,remaining,rand)