RIFE does it, but it accomplishes this by modifying classes on-the-fly. Is this cumbersome, or does it actually work? http://rifers.org/features/integrated+we

RIFE does it, but it accomplishes this by modifying classes on-the-fly. Is this cumbersome, or does it actually work? http://rifers.org/features/integrated+web+continuations http://rifers.org/features/integrated+web+continuations