Blog - Scala API Document Example Code http://blog.joecwu.com/2015/07/scava-scala-scala-api-document-function.html

blog-ScalaAPIDocument-filter-1.scala

val list=List(1,2,3,4,5)
//list: List[Int] = List(1, 2, 3, 4, 5)

blog-ScalaAPIDocument-filter-2.scala

val oddFilter= (x:Int)=>x%2==1
//oddFilter: Int => Boolean = <function1>

list.filter(oddFilter)
//res0: List[Int] = List(1, 3, 5)

list.filter(x=>x%2==1)
//res1: List[Int] = List(1, 3, 5)

list.filter{ x=>
  x%2==1
}
//res2: List[Int] = List(1, 3, 5)