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import scala.reflect._,macros._, scala.language.experimental.macros
object A {
def impl[T: c.WeakTypeTag](c: Context)(t: c.Expr[T]): c.Expr[List[T]] = {
val r = c.universe.reify { List(t.splice) }
c.Expr[List[T]]( c.resetLocalAttrs(r.tree) )
}
def demo[T](t: T): List[T] = macro impl[T]
}
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