6.8. Not Available

• No final classes (planned as sealed classes)
• No static classes (use nested namespaces instead)
• No anonymous inner classes (use delegates + closures instead)
• No constraints on generic type parameters
• No implicit conversion of objects to strings (no general toString()). However, types that have a to_string() method are supported by string templates (@"...")
• No named breaks / labels
• No strictfp, transient keywords