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import scala.reflect.runtime.universe._
import scala.reflect.runtime.{currentMirror => cm}
case class Foo(x: Int) extends AnyVal
case class Bar(foo: Foo)
object Test extends App {
val foo = typeOf[Bar].decl(TermName("foo")).asMethod
println(foo.returnType) // Foo
val bar = Bar(Foo(3))
println(bar.foo) // Foo(3)
val im = cm.reflect(bar)
println(im.reflectField(foo).get) // incorrectly gives java.lang.Integer(3) not Foo(3)
im.reflectField(foo).set(Foo(5)) // java.lang.IllegalArgumentException: Can not set int field Bar.foo to Foo
println(im.reflectMethod(foo)()) // incorrectly gives java.lang.Integer(3) not Foo(3)
}
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