'Scala Single Abstract Method & Intellij

I'm just getting use to Scala Single Abstract Method which I did not know well, until I went through several blogs on Type Class.

I am able after few minutes to figure out what's going on when I see it. I wonder if there is a way in Intellij to Highlight SAM, so it is easy to recognize.

I mean this kind of things made me think twice

 @inline final def instance[A](f: JsValue => Either[String, A]): JsDecoder[A] = f(_)


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