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Diffstat (limited to 'test/files/run/t5284c.scala')
-rw-r--r-- | test/files/run/t5284c.scala | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/files/run/t5284c.scala b/test/files/run/t5284c.scala new file mode 100644 index 0000000000..383b84c2cc --- /dev/null +++ b/test/files/run/t5284c.scala @@ -0,0 +1,30 @@ + + + + + + +/** Here we have a compound type `List[W]` used in + * a position where `List[T]` is expected. The cast + * emitted in the normalized `bar` is safe because the + * normalized `bar` can only be called if the type + * bounds hold. + */ +object Test { + def main(args: Array[String]) { + val foo = Foo.createUnspecialized[Int] + println(foo.bar(List(1, 2, 3))) + } +} + + +object Foo { + def createUnspecialized[T] = new Foo[T] +} + + +class Foo[@specialized(Int) T] { + val len: List[T] => Int = xs => xs.length + + def bar[@specialized(Int) W <: T](ws: List[W]) = len(ws) +} |