ApplicativeBuilder

gistfile1.scala

case class Foo(f:String="",y:String,z:String)
object Foo{
type Val = Validated[Foo]

  implicit val x = new Validator[Foo]{
    def apply(v1: Foo): Validated[Foo] ={
      import v1._

     z.successNel[DomainValidationError] <*>(y.successNel[DomainValidationError] <*> (f.successNel[DomainValidationError] map (Foo.apply _).curried))
    }
  }
}