Addressed comments

Author: EnzeXing

compiler/src/dotty/tools/dotc/transform/init/Util.scala

@@ -81,8 +81,8 @@ object Util:
   object TypeCast:
     def unapply(tree: Tree)(using Context): Option[(Tree, Type)] =
       tree match
-        case TypeApply(Select(qual, _), typeArg) if tree.symbol.isTypeCast =>
-          Some(qual, typeArg.head.tpe)
+        case TypeApply(Select(qual, _), typeArgs) if tree.symbol.isTypeCast =>
+          Some(qual, typeArgs.head.tpe)
         case _ => None
 
   def resolve(cls: ClassSymbol, sym: Symbol)(using Context): Symbol = log("resove " + cls + ", " + sym, printer, (_: Symbol).show):