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object Test extends App {
trait T
trait TA
trait TB
class A extends T with TA
class B extends T with TB
class AB extends T with TA with TB
// Matching on _: TA with TB
val li: Vector[T] = Vector(new A, new B, new AB)
val matched = (for (l <- li) yield {
l match {
case _: TA with TB => "tab"
case _: TA => "ta"
case _: TB => "tb"
}
})
println(matched)
}
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