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object Test extends App {
class Foo {
override def equals(that: Any) = {
println("Foo.equals called")
super.equals(that)
}
}
println(new Foo == new Foo)
case class Bar(x: Foo)
val b = new Bar(new Foo)
// this should not call Foo.equals, but simply compare object identity of b
println(b == b)
}
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