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import scala.annotation._
import scala.annotation.unchecked._
import scala.collection._
package object buffer {
val broken = new ArrayVec2() // commenting out this line causes the file to compile.
val works = Class.forName("buffer.ArrayVec2").newInstance().asInstanceOf[ArrayVec2]
}
package buffer {
object Main {
// ArrayVec2 can be compiled, instantiated and used.
def main(args: Array[String]) { println(works) }
}
trait ElemType { type Element; type Component <: ElemType }
trait Float1 extends ElemType { type Element = Float; type Component = Float1}
class Vec2 extends ElemType { type Element = Vec2; type Component = Float1 }
abstract class BaseSeq[T <: ElemType, E]
extends IndexedSeq[E] with IndexedSeqOptimized[E, IndexedSeq[E]] {
def length = 1
def apply(i: Int) :E
}
abstract class GenericSeq[T <: ElemType] extends BaseSeq[T, T#Element]
trait DataArray[T <: ElemType] extends BaseSeq[T, T#Element]
trait DataView[T <: ElemType] extends BaseSeq[T, T#Element]
abstract class BaseFloat1 extends BaseSeq[Float1, Float]
class ArrayFloat1 extends BaseFloat1 with DataArray[Float1] {
def apply(i: Int) :Float = 0f
}
class ViewFloat1 extends BaseFloat1 with DataView[Float1] {
def apply(i: Int) :Float = 0f
}
class ArrayVec2(val backingSeq: ArrayFloat1)
extends GenericSeq[Vec2] with DataArray[Vec2] {
def this() = this(new ArrayFloat1)
def apply(i: Int) :Vec2 = null
}
}
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