Lightweight interfaces instead of function types

[Mark Thornton]

Stephen Colebourne wrote:
> I'm not trying to start a debate on this - its partly philosophical.
> But I do feel its very important to make the point that, IMO, most
> developers don't worry about these things to the extent that language
> designers do. Writing Callable<String>[] array = new Callable[10]; has
> become just a necessary part of using Java today.
>
>   
Common yes, necessary no. Leaving the LHS as Callable[] is safe, but 
requires more casts. The varargs case isn't equivalent because were 
generics to be reified it would be fixed in one place (the compiler).

Mark