Always apply asInstanceOf with arguments

Author: noti0na1

library/src/scala/Specializable.scala

@@ -26,15 +26,15 @@ object Specializable {
   // Smuggle a list of types by way of a tuple upon which Group is parameterized.
   class Group[T](value: T) extends SpecializedGroup
 
-  final val Primitives:  Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit)] = null.asInstanceOf
-  final val Everything:  Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit, AnyRef)] = null.asInstanceOf
-  final val Bits32AndUp: Group[(Int, Long, Float, Double)] = null.asInstanceOf
-  final val Integral:    Group[(Byte, Short, Int, Long, Char)] = null.asInstanceOf
-  final val AllNumeric:  Group[(Byte, Short, Int, Long, Char, Float, Double)] = null.asInstanceOf
-  final val BestOfBreed: Group[(Int, Double, Boolean, Unit, AnyRef)] = null.asInstanceOf
-  final val Unit:        Group[Tuple1[Unit]] = null.asInstanceOf
+  final val Primitives:  Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit)] = null.asInstanceOf[Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit)]]
+  final val Everything:  Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit, AnyRef)] = null.asInstanceOf[Group[(Byte, Short, Int, Long, Char, Float, Double, Boolean, Unit, AnyRef)]]
+  final val Bits32AndUp: Group[(Int, Long, Float, Double)] = null.asInstanceOf[Group[(Int, Long, Float, Double)]]
+  final val Integral:    Group[(Byte, Short, Int, Long, Char)] = null.asInstanceOf[Group[(Byte, Short, Int, Long, Char)]]
+  final val AllNumeric:  Group[(Byte, Short, Int, Long, Char, Float, Double)] = null.asInstanceOf[Group[(Byte, Short, Int, Long, Char, Float, Double)]]
+  final val BestOfBreed: Group[(Int, Double, Boolean, Unit, AnyRef)] = null.asInstanceOf[Group[(Int, Double, Boolean, Unit, AnyRef)]]
+  final val Unit:        Group[Tuple1[Unit]] = null.asInstanceOf[Group[Tuple1[Unit]]]
 
-  final val Arg:         Group[(Int, Long, Float, Double)] = null.asInstanceOf
-  final val Args:        Group[(Int, Long, Double)] = null.asInstanceOf
-  final val Return:      Group[(Int, Long, Float, Double, Boolean, Unit)] = null.asInstanceOf
+  final val Arg:         Group[(Int, Long, Float, Double)] = null.asInstanceOf[Group[(Int, Long, Float, Double)]]
+  final val Args:        Group[(Int, Long, Double)] = null.asInstanceOf[Group[(Int, Long, Double)]]
+  final val Return:      Group[(Int, Long, Float, Double, Boolean, Unit)] = null.asInstanceOf[Group[(Int, Long, Float, Double, Boolean, Unit)]]
 }

library/src/scala/collection/View.scala

@@ -465,7 +465,7 @@ object View extends IterableFactory[View] {
         if(pos == maxlen) pos = 0
         len += 1
       }
-      underlying = null.asInstanceOf // allow GC of underlying iterator
+      underlying = null.asInstanceOf[Iterator[A]] // allow GC of underlying iterator
       if(len > maxlen) len = maxlen
       pos = pos - len
       if(pos < 0) pos += maxlen