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-rw-r--r--tests/new/t2421_delitedsl.scala39
1 files changed, 0 insertions, 39 deletions
diff --git a/tests/new/t2421_delitedsl.scala b/tests/new/t2421_delitedsl.scala
deleted file mode 100644
index 554702a03..000000000
--- a/tests/new/t2421_delitedsl.scala
+++ /dev/null
@@ -1,39 +0,0 @@
-trait DeliteDSL {
- abstract class <~<[-From, +To] extends (From => To)
- implicit def trivial[A]: A <~< A = new (A <~< A) {def apply(x: A) = x}
-
- trait Forcible[T]
- object Forcible {
- def factory[T](f: T => Forcible[T]) = new (T <~< Forcible[T]){def apply(x: T) = f(x)}
- }
-
- case class DeliteInt(x: Int) extends Forcible[Int]
-
- implicit val forcibleInt: DeliteDSL.this.<~<[Int,DeliteDSL.this.Forcible[Int]] =
- Forcible.factory((x: Int) => DeliteInt(x))
-
- import scala.collection.Traversable
- class DeliteCollection[T](val xs: Traversable[T]) {
- // must use existential in bound of P, instead of T itself, because we cannot both have:
- // Test.x below: DeliteCollection[T=Int] -> P=DeliteInt <: Forcible[T=Int], as T=Int <~< P=DeliteInt
- // Test.xAlready below: DeliteCollection[T=DeliteInt] -> P=DeliteInt <: Forcible[T=DeliteInt], as T=DeliteInt <~< P=DeliteInt
- // this would required DeliteInt <: Forcible[Int] with Forcible[DeliteInt]
-
- def headProxy[P <: Forcible[_]](implicit w: T <~< P): P = xs.head
- }
- // If T is already a proxy (it is forcible), the compiler should use
- // forcibleIdentity to deduce that P=T. If T is Int, the compiler
- // should use intToForcible to deduce that P=DeliteInt.
- //
- // Without this feature, the user must write 'xs.proxyOfFirst[DeliteInt]',
- // with the feature they can write 'xs.proxyOfFirst', which is shorter and
- // avoids exposing internal DELITE types to the world.
-
- object Test {
- val x = new DeliteCollection(List(1,2,3)).headProxy
- // inferred: val x: Forcible[Int] = new DeliteCollection[Int](List.apply[Int](1, 2, 3)).headProxy[Forcible[Int]](forcibleInt);
-
- val xAlready = new DeliteCollection(List(DeliteInt(1),DeliteInt(2),DeliteInt(3))).headProxy
- // inferred: val xAlready: DeliteInt = new DeliteCollection[DeliteInt](List.apply[DeliteInt](DeliteInt(1), DeliteInt(2), DeliteInt(3))).headProxy[DeliteInt](trivial[DeliteInt]);
- }
-}