08/03/06 14:38:23
> Any visible local variable that is initialized or assigned exactly once in the enclosing scope,
> as well as any visible parameter to an enclosing method that is never otherwise assigned,
> is accessible but not assignable within the body of the CICE, whether or not it is explicitly qualified as final.
CICEのルール、BGGAのプロトタイプに導入されてるね。