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class Type
class Symbol
case class PolyType(tps: List[Symbol], res: Type) extends Type
class OtherType extends Type
// case class NullaryMethodType(tp: Type) extends Type
object NullaryMethodType {
def apply(resTpe: Type): Type = PolyType(List(), resTpe)
def unapply(tp: Type): Option[(Type)] = None
}
object Test {
def TEST(tp: Type): String =
tp match {
case PolyType(ps1, PolyType(ps2, res @ PolyType(a, b))) => "1"+tp // couldn't find a simpler version that still crashes
case NullaryMethodType(meh) => "2"+meh
}
}
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