builder > A.scala D.scala
compiling Set(A.scala, D.scala)
Changes: Map()
builder > A.scala
compiling Set(A.scala)
Changes: Map(class B -> List(), class C -> List(), class E -> List(Changed(Class(A))[class E extends a sealed trait A]), trait A -> List())
invalidate D.scala because it references changed class [Changed(Class(A))[class E extends a sealed trait A]]
compiling Set(D.scala)
D.scala:3: warning: match is not exhaustive!
missing combination              E

    a match {
    ^
Changes: Map(object D -> List())