Play2.0でListを持ったパラメータをバインドする

gistfile1.scala

case class User(name: String, addresses: List[Address])
case class Address(street: String, city: String)

val f = Form(
  mapping(
    "name" -> text,
    "addresses" -> list(
      mapping(
        "street"-> text,
        "city" -> text
      )(Address.apply)(Address.unapply)   
    ) 
  )(User.apply)(User.unapply)  
)