gistfile1.scala

trait Request

class RequestVerbs(req: Request) {
  def <:< (headers: Map[String, String]): Request
}

implicit def requestsForVerbs(req: Request): RequestVerbs =
  new RequestVerbs(req)
  
def url(theUrl: String): Request 


url(someUrl) <:< Map("name" -> "value")
// translates to:
requestsForVerbs(url(someUrl)) <:< Map("name" -> "value")
// because of the implicit modifier on requestsForVerbs