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object Test extends App {
def foo[T](ys: List[T]): Int => Int = {
class Foo[T](ys: List[T]) {
val fun = reflect.mirror.reify{(x: Int) => {
x + ys.length
}}
}
val toolbox = mkToolBox()
val dyn = toolbox.runExpr(new Foo(ys).fun.tree)
dyn.asInstanceOf[Int => Int]
}
println(foo(List(1, 2, 3))(10))
println(foo(List(1, 2, 3, 4))(10))
}
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