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abstract class Template[T <: AnyRef](private val t: T) {
// type Repr[A<:AnyRef]<:Template[T]
type Repr[T]<:Template[T]
def access1(timeout: Int): Repr[T] = this.asInstanceOf[Repr[T]]
def access2: Repr[T] = this.asInstanceOf[Repr[T]]
val access3: Repr[T] = this.asInstanceOf[Repr[T]]
def access4(v: Repr[T]): Repr[T] = this.asInstanceOf[Repr[T]]
def access5(x: X): Repr[T] = this.asInstanceOf[Repr[T]]
def access5(x: Y): Repr[T] = this.asInstanceOf[Repr[T]]
def withReadModifiers(readModifiers:Int): Repr[T] = this.asInstanceOf[Repr[T]]
}
class Curve
class CurveTemplate [T <: Curve](t: T) extends Template(t) {
// type Repr[A<: AnyRef] = CurveTemplate[T]
type Repr = CurveTemplate[T]
}
class Base
class X extends Base
class Y extends Base
object Example {
def test1(): Unit = {
new CurveTemplate(new Curve).access1(10)
new CurveTemplate(new Curve).access2
new CurveTemplate(new Curve).access3
new CurveTemplate(new Curve).access4(null)
new CurveTemplate(new Curve).access5(new X)
()
}
def test2(): Unit = {
new CurveTemplate(new Curve).access1(10).withReadModifiers(1)
new CurveTemplate(new Curve).access2.withReadModifiers(1)
new CurveTemplate(new Curve).access3.withReadModifiers(1)
new CurveTemplate(new Curve).access4(null).withReadModifiers(1)
new CurveTemplate(new Curve).access5(new X).withReadModifiers(1)
}
}
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