Find value in vector of vectors

gistfile1.scala

@tailrec
  def find[A](value:A, v:Vector[Vector[A]]):Option[A]={         
     v.head.find(_==value) match {
          case Some(i) => Some(i)          
          case None if v.size==1 => None
          case None => find(value,v.tail)          
     }
  }  

def find2[A](value:A, v:Vector[Vector[A]]):Option[A]={
   v.collectFirst{Function.unlift{_.find(_==value)}}
 }

val v=Vector(Vector(2,4,6,7,8,3),Vector(2,4,6,7,8,3),Vector(2,4,6,7,800,3))