Trait and use of super | The Scala Programming Language

On Wed, Oct 13, 2010 at 11:06:49AM -0700, Erik Bruchez wrote: > scala> trait Bar { > | this: Foo => > | > | override def doStuff() { > | super.doStuff() > | } > | } > :10: error: value doStuff is not a member of java.lang.Object > with ScalaObject > super.doStuff() > ^ > > Since my trait Bar is guaranteed to augment a Foo which defines > doStuff(), I thought I would be able to access super.doStuff

[pomu0325]

こんな技が！ traitでself-typeのメソッドをオーバーライドしつつsuperで元のやつを呼ぶ。