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import scala.reflect.macros.Context
object Helper {
def unapplySeq[T](x: List[T]): Option[Seq[T]] =
}
object Macros {
def impl[T: c.WeakTypeTag](c: Context)(x: c.Expr[List[T]]) = {
c.universe.reify(Helper.unapplySeq(x.splice))
}
object UnapplyMacro {
def unapplySeq[T](x: List[T]): Option[Seq[T]] = macro impl[T]
}
}
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